[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-15 Thread ascpgh
Ah, the late '80s and early '90s. I rode a loop in Arkansas fairly often that 
went from Ponca on the Buffalo River to Jasper, then Just short of Harrison and 
back to Ponca? Logged here by other start/stop riders, I always began in Ponca 
with Mt. Sherman in my face, climbing the switchbacks into the morning sun. The 
real excitement came hours later with the descent back into Ponca. I learned 
the road and grew confident of the ride down off the Ozark plateau.  Even toyed 
with varying my speed by riding on the paint stripe and back to the Tarmac. 55 
possible? On my old red RB-1 (Ultegra 36h hubs I laced to Open 4 CDs With 
Michelin 28s) I rode this circuit everal times a year. I built my bike and 
trusted it. No marks, no fouls.

South Colorado, 2001, riding my Rambouillet along the Trans Am Western Express, 
ultra light, my back tire lost its air just slower than a blow out on a chip 
topped road with some winding downhill eases and my options grew fewer as the 
PSI fell and the next curve came. I finally took one turns to be able to brake 
in a straight line long enough on the flaccid tire and tube to get down in 
speed while still on the bike. Nice idea, not what happened. I yawed widely on 
the slack rear tire to the point that I was almost sideways. Speed and some 
semblance of grip presented itself and I flew over the bars, cartwheeling 
slowly forward, landing on the ugly road surface with my head, my left shoulder 
blade and elbow.

I got up and dragged my bike out of the road so I must have been OK. I changed 
my rear tube and one of my colleagues' rear tubes my shoulder slipping out of 
alignment each pump stroke. It was separated, all the way

One of the others noted my visible injury and I said I was riding to the next 
town (our destination anyway) and got up on my bike which faired pretty well 
given the violence of my dissipation of velocity on this surface.

Speed is the engine of injury, no doubt. But it sure is a fun test of equipment 
you know. Just have to keep some contingent thought available to handle the 
what-ifs.

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[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-15 Thread charlie
Did 49 mph on my V2 recumbent and glanced down to see my speed nudging the 
bars slightly which moved me ten feet towards the center of a two lane 
highway. Glad there were no cars coming up behind me at 60mph. Also did an 
estimated 50-55 mph on a long steep downhill and a truck pulled out at the 
base of said hill, forcing me to brakeye olde rim brakes faded into 
nothingness causing my life to flash before me...I cleared his back 
bumper just in time going about 30 mph and resolved to be more conservative 
from then on. Most hills are under 40 mph (coasting) and more like 30 mph 
max. Still the thought of hitting chip seal with a t-shirt and shorts at 
that speed is pretty grimolder, wiser I'd say.

On Friday, July 13, 2012 7:53:40 AM UTC-7, Michael Hechmer wrote:
>
> I'm not a particularly anxious person, although I do get anxious when 
> someone compliments my courage!  I regularly downhill at 40+ mph and have 
> hit 50 on good pavement and reasonably straight mountain descents without 
> too much anxiety, but one hill this year has me spooked.
>
> One of my favorite routes is a 23 mile ride with 1400 feet of climbing 
> that is equally divided among lightly traveled & good dirt roads, mostly 
> descent chip & seal town roads, and a third of moderately traveled state 
> roads.  It provides beautiful pastoral scenery, a good view of the whole of 
> the Mt. Mansfield ridge line, and a stretch along the Lamoille River, 
> including the impressive Fairfax Falls. In the past I have always ridden it 
> counter clockwise, which includes a beast of a 3K climb, including a K of 
> 20%+ grade right in the middle.  This year I reversed direction and have 
> been riding it clockwise on my Rambouillet, with a very nice set of Grand 
> Bois Cerf tires.  The first time down it I discovered the pavement on the 
> steepest section was not in good condition, no pot holes or heaves, just 
> lots of broken chip and seal.  The bumping was quite dramatic and I felt 
> like one good hole could toss me over the handle bars.  Garmin was showing 
> 47.5 when I lightly squeezed the rear brake.  Fortunately the Paul's Racers 
> have excellent modulation and I safely slowed enough to feel OK.
>
> But when I got to the bottom I asked myself why I chickened out, since I 
> was just fine, and thought that the next time I would lay off the brakes. 
>  But this hasn't happened.  Instead each time I have gone down it, I have 
> gone slower and slower.  Today I took out my Trek, which has 32 mm TServes 
> to see if I would feel more comfortable at higher speeds with the softer 
> tire.  But when I got to the top of the hill I realized I had no real taste 
> for the experiment.  I went down at 25, until I could see the good pavement 
> at the bottom and then I let it roll out to 39.
>
> So I ask myself, is this wisdom, or just yielding to irrational anxiety.
>
> Michael
> Westford, VT
>

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Re: [RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-14 Thread Michael Hechmer
My strategy, when i want to slow down while going down, is to pump the rear 
brake.  This minimizes the chance of locking up, provides some cooling and 
keeps the powerful front brake in reserve,  So far so good.

I do appreciate all those who have posted that caution trumps adrenalin 
rushes on down hills.  I have decided to revert to my old routine of riding 
this route counter clockwise, dealing with the tough uphill and enjoying 
the fast but relaxing downhill on the other side.

Spent three hours out in the canoe on Lake Eden today.  Gad zooks it's hot 
out there.

Michael

On Saturday, July 14, 2012 9:45:35 AM UTC-4, [email protected] wrote:
>
> Or use disks.  That's one of the reasons we got disks on the new 
> tandem, though I still alternate front/rear to allow the disks 
> themselves to cool. 
>
> It's been interesting to see how people limit their speeds.  I do if 
> I'm unsure of the road but if it's a nice, visible road with no cross 
> traffic I tend to let it roll.  We've hit 50+ on the tandem a couple 
> of time (on Tour de Blast we actually used the disk as a light drag 
> because there were state patrolmen around and they were rumored to 
> ticket cyclists breaking 55mph - which would be insanely easy coming 
> down from Johnson ridge on a tandem!)  Cindy has been fine with it, in 
> fact I sometimes keep it slower than she would like since I have a 
> better idea of the handling/stopping abilities of the big bike. 
>
> -Ken 
>
> On Fri, Jul 13, 2012 at 11:28 PM, Bill M.  wrote: 
> > On a truly long and steep descent, trying to come down too slowly has 
> its 
> > own peril - overheated rims and blown tires.  Letting the bike roll out 
> some 
> > allows some energy to be dissipated by the wind, sparing the brakes for 
> when 
> > they are really needed.  It can be a fine line between over-braking and 
> > under-braking.  At some point wisdom would have you stop to let the rims 
> > cool. 
> > 
> > Bill 
> > Stockton, CA 
> > 
> > 
> > On Friday, July 13, 2012 7:53:40 AM UTC-7, Michael Hechmer wrote: 
> >> 
> >> I'm not a particularly anxious person, although I do get anxious when 
> >> someone compliments my courage!  I regularly downhill at 40+ mph and 
> have 
> >> hit 50 on good pavement and reasonably straight mountain descents 
> without 
> >> too much anxiety, but one hill this year has me spooked. 
> >> 
> >> One of my favorite routes is a 23 mile ride with 1400 feet of climbing 
> >> that is equally divided among lightly traveled & good dirt roads, 
> mostly 
> >> descent chip & seal town roads, and a third of moderately traveled 
> state 
> >> roads.  It provides beautiful pastoral scenery, a good view of the 
> whole of 
> >> the Mt. Mansfield ridge line, and a stretch along the Lamoille River, 
> >> including the impressive Fairfax Falls. In the past I have always 
> ridden it 
> >> counter clockwise, which includes a beast of a 3K climb, including a K 
> of 
> >> 20%+ grade right in the middle.  This year I reversed direction and 
> have 
> >> been riding it clockwise on my Rambouillet, with a very nice set of 
> Grand 
> >> Bois Cerf tires.  The first time down it I discovered the pavement on 
> the 
> >> steepest section was not in good condition, no pot holes or heaves, 
> just 
> >> lots of broken chip and seal.  The bumping was quite dramatic and I 
> felt 
> >> like one good hole could toss me over the handle bars.  Garmin was 
> showing 
> >> 47.5 when I lightly squeezed the rear brake.  Fortunately the Paul's 
> Racers 
> >> have excellent modulation and I safely slowed enough to feel OK. 
> >> 
> >> But when I got to the bottom I asked myself why I chickened out, since 
> I 
> >> was just fine, and thought that the next time I would lay off the 
> brakes. 
> >> But this hasn't happened.  Instead each time I have gone down it, I 
> have 
> >> gone slower and slower.  Today I took out my Trek, which has 32 mm 
> TServes 
> >> to see if I would feel more comfortable at higher speeds with the 
> softer 
> >> tire.  But when I got to the top of the hill I realized I had no real 
> taste 
> >> for the experiment.  I went down at 25, until I could see the good 
> pavement 
> >> at the bottom and then I let it roll out to 39. 
> >> 
> >> So I ask myself, is this wisdom, or just yielding to irrational 
> anxiety. 
> >> 
> >> Michael 
> >> Westford, VT 
> > 
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[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-14 Thread lungimsam

>
> No reason to speed on the bike.
>
 

> Live to ride another day
>

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[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-14 Thread lungimsam
  - "The bumping was quite dramatic and I felt like one good hole could 
toss me over the handle bars."
 
I don't think keeping your bike in control is cowardice. I think it is 
being mature and responsible to yourself, your loved-ones,  and to those 
around you.
 
I would rather be getting euphoric over that pastoral scenery you 
mentioned, than pushing myself into a reckless descent that makes me almost 
lose control of the bike.

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[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-14 Thread lungimsam

>
> Fastest I ever went was 43 mph. See, at the time I had a new bike and 
> wanted to see how fast I could go on it. 
> Wind was loud. Fun, but a little scary. I stayed very still on the descent.
> After I started back uphill again, I started to think about what would 
> have happened if I woulda crashed. I figured 43mph was good enough for me.
> Some people like to go faster and faster.
> But for me, I am satisfied with the 43mph, and it isn't worth the risk to 
> keep pushing it for my curiosity.
> More fun just to ride and keep it in control.
> I top out at about 30-35mph before I start using the brakes.
>

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Re: [RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-14 Thread Kenneth Stagg
Or use disks.  That's one of the reasons we got disks on the new
tandem, though I still alternate front/rear to allow the disks
themselves to cool.

It's been interesting to see how people limit their speeds.  I do if
I'm unsure of the road but if it's a nice, visible road with no cross
traffic I tend to let it roll.  We've hit 50+ on the tandem a couple
of time (on Tour de Blast we actually used the disk as a light drag
because there were state patrolmen around and they were rumored to
ticket cyclists breaking 55mph - which would be insanely easy coming
down from Johnson ridge on a tandem!)  Cindy has been fine with it, in
fact I sometimes keep it slower than she would like since I have a
better idea of the handling/stopping abilities of the big bike.

-Ken

On Fri, Jul 13, 2012 at 11:28 PM, Bill M.  wrote:
> On a truly long and steep descent, trying to come down too slowly has its
> own peril - overheated rims and blown tires.  Letting the bike roll out some
> allows some energy to be dissipated by the wind, sparing the brakes for when
> they are really needed.  It can be a fine line between over-braking and
> under-braking.  At some point wisdom would have you stop to let the rims
> cool.
>
> Bill
> Stockton, CA
>
>
> On Friday, July 13, 2012 7:53:40 AM UTC-7, Michael Hechmer wrote:
>>
>> I'm not a particularly anxious person, although I do get anxious when
>> someone compliments my courage!  I regularly downhill at 40+ mph and have
>> hit 50 on good pavement and reasonably straight mountain descents without
>> too much anxiety, but one hill this year has me spooked.
>>
>> One of my favorite routes is a 23 mile ride with 1400 feet of climbing
>> that is equally divided among lightly traveled & good dirt roads, mostly
>> descent chip & seal town roads, and a third of moderately traveled state
>> roads.  It provides beautiful pastoral scenery, a good view of the whole of
>> the Mt. Mansfield ridge line, and a stretch along the Lamoille River,
>> including the impressive Fairfax Falls. In the past I have always ridden it
>> counter clockwise, which includes a beast of a 3K climb, including a K of
>> 20%+ grade right in the middle.  This year I reversed direction and have
>> been riding it clockwise on my Rambouillet, with a very nice set of Grand
>> Bois Cerf tires.  The first time down it I discovered the pavement on the
>> steepest section was not in good condition, no pot holes or heaves, just
>> lots of broken chip and seal.  The bumping was quite dramatic and I felt
>> like one good hole could toss me over the handle bars.  Garmin was showing
>> 47.5 when I lightly squeezed the rear brake.  Fortunately the Paul's Racers
>> have excellent modulation and I safely slowed enough to feel OK.
>>
>> But when I got to the bottom I asked myself why I chickened out, since I
>> was just fine, and thought that the next time I would lay off the brakes.
>> But this hasn't happened.  Instead each time I have gone down it, I have
>> gone slower and slower.  Today I took out my Trek, which has 32 mm TServes
>> to see if I would feel more comfortable at higher speeds with the softer
>> tire.  But when I got to the top of the hill I realized I had no real taste
>> for the experiment.  I went down at 25, until I could see the good pavement
>> at the bottom and then I let it roll out to 39.
>>
>> So I ask myself, is this wisdom, or just yielding to irrational anxiety.
>>
>> Michael
>> Westford, VT
>
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[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-13 Thread Bill M.
On a truly long and steep descent, trying to come down too slowly has its 
own peril - overheated rims and blown tires.  Letting the bike roll out 
some allows some energy to be dissipated by the wind, sparing the brakes 
for when they are really needed.  It can be a fine line between 
over-braking and under-braking.  At some point wisdom would have you stop 
to let the rims cool.  

Bill
Stockton, CA


On Friday, July 13, 2012 7:53:40 AM UTC-7, Michael Hechmer wrote:
>
> I'm not a particularly anxious person, although I do get anxious when 
> someone compliments my courage!  I regularly downhill at 40+ mph and have 
> hit 50 on good pavement and reasonably straight mountain descents without 
> too much anxiety, but one hill this year has me spooked.
>
> One of my favorite routes is a 23 mile ride with 1400 feet of climbing 
> that is equally divided among lightly traveled & good dirt roads, mostly 
> descent chip & seal town roads, and a third of moderately traveled state 
> roads.  It provides beautiful pastoral scenery, a good view of the whole of 
> the Mt. Mansfield ridge line, and a stretch along the Lamoille River, 
> including the impressive Fairfax Falls. In the past I have always ridden it 
> counter clockwise, which includes a beast of a 3K climb, including a K of 
> 20%+ grade right in the middle.  This year I reversed direction and have 
> been riding it clockwise on my Rambouillet, with a very nice set of Grand 
> Bois Cerf tires.  The first time down it I discovered the pavement on the 
> steepest section was not in good condition, no pot holes or heaves, just 
> lots of broken chip and seal.  The bumping was quite dramatic and I felt 
> like one good hole could toss me over the handle bars.  Garmin was showing 
> 47.5 when I lightly squeezed the rear brake.  Fortunately the Paul's Racers 
> have excellent modulation and I safely slowed enough to feel OK.
>
> But when I got to the bottom I asked myself why I chickened out, since I 
> was just fine, and thought that the next time I would lay off the brakes. 
>  But this hasn't happened.  Instead each time I have gone down it, I have 
> gone slower and slower.  Today I took out my Trek, which has 32 mm TServes 
> to see if I would feel more comfortable at higher speeds with the softer 
> tire.  But when I got to the top of the hill I realized I had no real taste 
> for the experiment.  I went down at 25, until I could see the good pavement 
> at the bottom and then I let it roll out to 39.
>
> So I ask myself, is this wisdom, or just yielding to irrational anxiety.
>
> Michael
> Westford, VT
>

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Re: [RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-13 Thread Peter Morgano
Oh I am not one to harp on people for not wearing one but I treat mine
like  seatbelt, i just strap it on before I go out. I am not sure what the
big deal is about wearing a helmet though. Back in the day they sucked and
made you sweat like crazy but these new ones are nice and Airy although
maybe not "cool"  but that is the least of my concerns when I am out
riding. I do make my daughter wear one but again just treat it like part of
the routine so as to not make it a "thing."  Everyone else in the whole
world can wear one or not as far as I am concerned.

On Fri, Jul 13, 2012 at 2:49 PM, Joe Bernard  wrote:

> In fairness to Grant re: the helmet issue, I've seen him headed up Mt.
> Diablo with one strapped to the bars. It's safe to assume it's not still on
> the bars on the way down..
>
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Re: [RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-13 Thread Joe Bernard
In fairness to Grant re: the helmet issue, I've seen him headed up Mt. Diablo 
with one strapped to the bars. It's safe to assume it's not still on the bars 
on the way down..

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[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-13 Thread dougP
Here's a vote for wisdom.  You paint a picture of a beautiful area to
ride in; why hurry?  And the results of a crash at the speeds you
describe are painful at the least and involve a long time off the
bike.  If that's not enough, consider damage to the bike.

There's a reason those downhill racers wear all the protective gear
plus motorcycle helmets.

dougP

On Jul 13, 7:53 am, Michael Hechmer  wrote:
> I'm not a particularly anxious person, although I do get anxious when
> someone compliments my courage!  I regularly downhill at 40+ mph and have
> hit 50 on good pavement and reasonably straight mountain descents without
> too much anxiety, but one hill this year has me spooked.
>
> One of my favorite routes is a 23 mile ride with 1400 feet of climbing that
> is equally divided among lightly traveled & good dirt roads, mostly descent
> chip & seal town roads, and a third of moderately traveled state roads.  It
> provides beautiful pastoral scenery, a good view of the whole of the Mt.
> Mansfield ridge line, and a stretch along the Lamoille River, including the
> impressive Fairfax Falls. In the past I have always ridden it counter
> clockwise, which includes a beast of a 3K climb, including a K of 20%+
> grade right in the middle.  This year I reversed direction and have been
> riding it clockwise on my Rambouillet, with a very nice set of Grand Bois
> Cerf tires.  The first time down it I discovered the pavement on the
> steepest section was not in good condition, no pot holes or heaves, just
> lots of broken chip and seal.  The bumping was quite dramatic and I felt
> like one good hole could toss me over the handle bars.  Garmin was showing
> 47.5 when I lightly squeezed the rear brake.  Fortunately the Paul's Racers
> have excellent modulation and I safely slowed enough to feel OK.
>
> But when I got to the bottom I asked myself why I chickened out, since I
> was just fine, and thought that the next time I would lay off the brakes.
>  But this hasn't happened.  Instead each time I have gone down it, I have
> gone slower and slower.  Today I took out my Trek, which has 32 mm TServes
> to see if I would feel more comfortable at higher speeds with the softer
> tire.  But when I got to the top of the hill I realized I had no real taste
> for the experiment.  I went down at 25, until I could see the good pavement
> at the bottom and then I let it roll out to 39.
>
> So I ask myself, is this wisdom, or just yielding to irrational anxiety.
>
> Michael
> Westford, VT

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[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-13 Thread Zack
I am a "better safe than sorry" type, rather than a "throw caution to the 
wind" type.

Good to see lots of people share that approach.  I want all of you to be 
riding in good health for a long time :-)

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[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-13 Thread Joe Bernard
40-50mph is motorcycle speed, which those guys/gals are running in full 
leathers and a full-face helmet (the smart ones, anyway). I've rarely 
exceeded 35 on a bicycle, and am in no hurry to do it again soon. A little 
slower is still fun.
 
Joe "where ya goin in such a hurry, boy" Bernard
Vallejo, CA.
 

On Friday, July 13, 2012 8:15:32 AM UTC-7, Will wrote:

> Intuition is a good thing. Listen to it. 
>
> On Friday, July 13, 2012 9:53:40 AM UTC-5, Michael Hechmer wrote:
>>
>> I'm not a particularly anxious person, although I do get anxious when 
>> someone compliments my courage!  I regularly downhill at 40+ mph and have 
>> hit 50 on good pavement and reasonably straight mountain descents without 
>> too much anxiety, but one hill this year has me spooked.
>>
>> One of my favorite routes is a 23 mile ride with 1400 feet of climbing 
>> that is equally divided among lightly traveled & good dirt roads, mostly 
>> descent chip & seal town roads, and a third of moderately traveled state 
>> roads.  It provides beautiful pastoral scenery, a good view of the whole of 
>> the Mt. Mansfield ridge line, and a stretch along the Lamoille River, 
>> including the impressive Fairfax Falls. In the past I have always ridden it 
>> counter clockwise, which includes a beast of a 3K climb, including a K of 
>> 20%+ grade right in the middle.  This year I reversed direction and have 
>> been riding it clockwise on my Rambouillet, with a very nice set of Grand 
>> Bois Cerf tires.  The first time down it I discovered the pavement on the 
>> steepest section was not in good condition, no pot holes or heaves, just 
>> lots of broken chip and seal.  The bumping was quite dramatic and I felt 
>> like one good hole could toss me over the handle bars.  Garmin was showing 
>> 47.5 when I lightly squeezed the rear brake.  Fortunately the Paul's Racers 
>> have excellent modulation and I safely slowed enough to feel OK.
>>
>> But when I got to the bottom I asked myself why I chickened out, since I 
>> was just fine, and thought that the next time I would lay off the brakes. 
>>  But this hasn't happened.  Instead each time I have gone down it, I have 
>> gone slower and slower.  Today I took out my Trek, which has 32 mm TServes 
>> to see if I would feel more comfortable at higher speeds with the softer 
>> tire.  But when I got to the top of the hill I realized I had no real taste 
>> for the experiment.  I went down at 25, until I could see the good pavement 
>> at the bottom and then I let it roll out to 39.
>>
>> So I ask myself, is this wisdom, or just yielding to irrational anxiety.
>>
>> Michael
>> Westford, VT
>>
>

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[RBW] Re: Wisdom or Cowardice, how fast to go downhill?

2012-07-13 Thread Will
Intuition is a good thing. Listen to it. 

On Friday, July 13, 2012 9:53:40 AM UTC-5, Michael Hechmer wrote:
>
> I'm not a particularly anxious person, although I do get anxious when 
> someone compliments my courage!  I regularly downhill at 40+ mph and have 
> hit 50 on good pavement and reasonably straight mountain descents without 
> too much anxiety, but one hill this year has me spooked.
>
> One of my favorite routes is a 23 mile ride with 1400 feet of climbing 
> that is equally divided among lightly traveled & good dirt roads, mostly 
> descent chip & seal town roads, and a third of moderately traveled state 
> roads.  It provides beautiful pastoral scenery, a good view of the whole of 
> the Mt. Mansfield ridge line, and a stretch along the Lamoille River, 
> including the impressive Fairfax Falls. In the past I have always ridden it 
> counter clockwise, which includes a beast of a 3K climb, including a K of 
> 20%+ grade right in the middle.  This year I reversed direction and have 
> been riding it clockwise on my Rambouillet, with a very nice set of Grand 
> Bois Cerf tires.  The first time down it I discovered the pavement on the 
> steepest section was not in good condition, no pot holes or heaves, just 
> lots of broken chip and seal.  The bumping was quite dramatic and I felt 
> like one good hole could toss me over the handle bars.  Garmin was showing 
> 47.5 when I lightly squeezed the rear brake.  Fortunately the Paul's Racers 
> have excellent modulation and I safely slowed enough to feel OK.
>
> But when I got to the bottom I asked myself why I chickened out, since I 
> was just fine, and thought that the next time I would lay off the brakes. 
>  But this hasn't happened.  Instead each time I have gone down it, I have 
> gone slower and slower.  Today I took out my Trek, which has 32 mm TServes 
> to see if I would feel more comfortable at higher speeds with the softer 
> tire.  But when I got to the top of the hill I realized I had no real taste 
> for the experiment.  I went down at 25, until I could see the good pavement 
> at the bottom and then I let it roll out to 39.
>
> So I ask myself, is this wisdom, or just yielding to irrational anxiety.
>
> Michael
> Westford, VT
>

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