12? On the Rivendell list? Who'd a' thunk??
Seriously, I have no complaint with 12, as long as it doesn't involve
electric shifting and computers, and as long as it last a reasonable number
of miles. I'll be interested to hear how 11 and 12 (and for that matter,
10, to which I changed from 9 not too long ago) last compared to, say, oh,
8 or 7.
127" gear? Wow, you are much better off now than before and I, if it were
my bike, would drop the gear to something no higher than 100; my only
derailleur bike tops out at 86 gi, and my highest geared road bike tops out
at 76" (because it's a fixie with a 76 high/67 low). I can easily hit 30 in
a 76, at least for a quarter mile or so, and I several times hit 37 1/2 in
a 75" gear and twice 48 in a 96" gear, back when my gofast derailleur bike
topped out at 48/12 X 24" wheel (559 X 23 mm). 30 in a 76" gear is only a
wee bit above 130 r's pm, which is quite easy on a downhill or with a
Irreguleur ja...@harring.nyc via googlegroups.com asked about the longevity
and dish of a 12 speed rear wheel. And I'll add, what is the OL spacing? I
too will be interested in hearing about the dish.
I seem to recall a post not too long ago, on this or the iBob list,
showcasing a young adventure rider who shifts 12 SRAMs in back with a
friction shifter. Can anyone recall that thread? If it's possible to shift
10 using high-leverage shifter and derailleur, I should think that 12 would
be possible with a more modern, lower-leverage system -- say, Silver
shifters and a modern rd.
Patrick Moore, who just had a nice 20 miler in breezy, moderately warm ABQ,
NM in that 76" gear.
On Wed, Aug 9, 2017 at 3:26 PM, Keith Muller <pharmer...@gmail.com> wrote:
> Hey all!
> So I upgraded the drivetrain on my Hunqapillar with a new SRAM Eagle XX1
> Kit and a White Industries M30 Crank w/ 38T Ring. I must say it's solid
> setup. I'm excited to get out and do some bike packing with it. I was
> comparing gear inches on this setup with the touring setup on my Atlantis.
> I lost a little on the top end that I rarely ever us, But I was able to
> match the low end. So far I'm happy with the setup. A few loaded trips
> will give me the full story. I've posted some data below for the bike
> nerds out there.
> Bike Hunqapillar Atlantis
> Chainrings 38T 47/36/26T
> Cassette 10-50T 12 Spd 11-34T 9 Spd
> Gear Inch Comparison
> Hunq Atlantis
> 38 47 36 26
> 10 110.54 11 *123.7* 94.7 68.4
> 12 92.21 13 104.6 80.1 57.9
> 14 78.83 15 90.7 69.5 50.2
> 16 69.23 17 80 61.3 44.3
> 18 61.38 20 68 52.1 37.6
> 21 52.65 23 59.1 45.3 32.7
> 24 45.96 26 52.3 40.1 28.9
> 28 39.56 30 45.3 34.7 25.1
> 32 34.61 34 40 30.6 *22.1*
> 36 30.83
> 42 26.18
> 50 22.11
> Speed Comparison - Based on a 29 X 2.3 Tire pedaling at 90rpms
> Hunq Atlantis
> Mph Mph
> Highest Gear 29.6 Highest Gear 33.3
> Lowest Gear 5.9 Lowest Gear 5.9
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