The Waterford era ('94-97ish) Riv Road Standards do work for 650b
conversion, but they're not ideal. Mine is an early '97, with a max of
700x28x tires (less than 2mm of clearance above Ruffy Tuffy's)
I converted mine from 700x28c to 650x38b, which dropped the bike 9mm (lost
19mm of rim, gained back 10mm of tire). I have scraped the outside edge of
the pedal once or twice, but I usually drag a heel before I drag a pedal.
A rare and avoidable occurrence, either way.
650x38b seems to be the maximum tire on this frame, as both fork blades and
chainstays are too tight for 42mm Hetres, as far as I can see (currently
running 38mm Lierre).
This conversion makes room for P45 Longboard fenders, but the front tip of
the rear fender is squeezed a bit in the chainstays. Also, the long
mudflap becomes a big leaf scoop; I take it off on non-rainy days. I'll
probably add the shorty mudflap to my next Riv order.
Tim
On Mon, Nov 25, 2013 at 2:19 AM, Philip Williamson <
philip.william...@gmail.com> wrote:
> 23mm 700c = 42mm 650B;
> 32mm 700c = 50mm 650B
>
> http://www.biketinker.com/2011/bike-resources/equivalent-bicycle-wheel-diameter-with-different-tires/
>
>
> I had a nice chat today with a fellow at the bike shop (an employee) who
> had put 650B GIGANTIC knobbies on his Surly 1x1, which was designed for 559
> tires. I was at the shop scaling back the gravel roadster's tire size in
> order to go tubeless (no direct connection of size to tubeless, just that
> the kevlar bead Supremes I have are smaller than my wire bead Big Apples).
>
> Philip
> www.biketinker.com
>
>
> On Sunday, November 24, 2013 5:29:00 PM UTC-8, Patrick Moore wrote:
>
>> Isn't the sole point of this conversion exercise that you can use
>> *fatter* tires, and significantly fatter tires? So, while you might lose
>> some bb height, you won't lose nearly the whole 19 mm ....?
>>
>> A 622X23 mm tire is about 26 1/2" in diameter. A 559 X 1" tire is about
>> 24" in diameter. A 559X35 mm tire is about 25" in diameter. A 559 X 50 tire
>> is about 26" in diameter. I cite these only as being directly or indirectly
>> relevant sizes known to me by experience.
>>
>> Thus, if you went from a 700C X 25 to a 650B X 42, which seems common,
>> wouldn't you gain back some 10 to 15 mm?
>>
>>
>>
>>
>> On Sun, Nov 24, 2013 at 5:33 PM, dougP <doug...@cox.net> wrote:
>>
>>> Jim:
>>>
>>> So you took a 700c wheeled bike & converted to 650b? Ignoring the tires
>>> for the moment, doesn't that lower everything 19 mm? What effect does it
>>> have on the handling? I've read about picking a wheel size & designing a
>>> bike around that, so this seems a radical change. OTH, people have been
>>> converting 80s era bikes to 650 with good result. How did you know this
>>> was going to work?
>>>
>>> dougP
>>>
>>> On Thursday, November 21, 2013 12:33:39 PM UTC-8, Jim Bronson wrote:
>>>>
>>>> https://plus.google.com/photos/110759113894226395434/albums/
>>>> 5948811384486030177
>>>>
>>>> Hopefully link works. Set to public.
>>>>
>>>> Cream SKS Long boards are on the way from Rivendell. But the rest of
>>>> it is mostly complete. Yes, I realize the saddle looks terrible, but it
>>>> still works ;)
>>>>
>>>> New Components
>>>> Handspun 650b wheelset synergy/deore LX, front dynohub
>>>> 11-30 HG50 cassette 9sp
>>>> SRAM PC971 chain
>>>> Sugino XD600 46-36-26
>>>> UN-55 bottom bracket 68x113
>>>> DuraAce BS77 9 speed bar ends
>>>> Tektro R559 brakes
>>>> VP Pedals
>>>> Kneesavers
>>>> Bar tape
>>>> Cables
>>>>
>>>> Reused
>>>> Frame
>>>> Fork
>>>> Handlebars
>>>> Tektro brake levers
>>>> Stem
>>>> Saddle
>>>> Seatpost
>>>> Campy Chorus polished rear derailer
>>>> Campy Racing -T polished front derailer
>>>> Electronic goodies (not mounted in pics)
>>>> Topeak Trunk bag (not mounted in pics)
>>>> Bento bag
>>>>
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>>
>>
>>
>> --
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>> patric...@resumespecialties.com
>> http://www.linkedin.com/in/patrickmooreresumespec/<http://www.google.com/url?q=http%3A%2F%2Fwww.linkedin.com%2Fin%2Fpatrickmooreresumespec%2F&sa=D&sntz=1&usg=AFQjCNGDq66YE8o4yymSTf2GCgueeFKsYQ>
>>
>> Albuquerque, NM
>>
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