1x 10 or 11 Front Chainring

Especially for light weight issues concerning cyclocross / touring bikes & parts.

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grover
Posts: 1106
Joined: Mon Jul 26, 2004 1:06 pm

by grover

ms6073 wrote:
nigel379 wrote:Please, please, please make a 42t 130mm bolt pattern xx1 chainring for those of us running single rings.
That might be a bit of a problem seeing as XX1 based on a spider with a 76mm BCD.


Pretty sure the idea is to make chainrings to work on a standard road crankset, in sizes suitable for cross, but with the thick/thin tooth design shown by XX1 to be helpful in chain retention.

4crosswheels
Posts: 140
Joined: Thu Mar 03, 2011 10:41 am
Location: UK, Industry

by 4crosswheels

The only time you need bigger gears than 11-40 would be start of Uci or European races..Wolftooth, Ideally you'd make a 38-40-42 I would race one with a 28 cassette if i was told i was racing single or had to run them,having seen Kevin lose races last season because of single rings Im certainly not a fan

by Weenie


nigel379
Posts: 108
Joined: Sat Jun 20, 2009 3:23 am

by nigel379

grover wrote:
ms6073 wrote:
nigel379 wrote:Please, please, please make a 42t 130mm bolt pattern xx1 chainring for those of us running single rings.
That might be a bit of a problem seeing as XX1 based on a spider with a 76mm BCD.


Pretty sure the idea is to make chainrings to work on a standard road crankset, in sizes suitable for cross, but with the thick/thin tooth design shown by XX1 to be helpful in chain retention.


Exactly. Plus, Sram didn't copyright the design (as the new race face- and others- copies indicate).

mjduct
Posts: 662
Joined: Tue Dec 27, 2011 2:19 pm

by mjduct

I run a 42 tooth flat ring (vuelta, like 25 bucks!) with a 13-29 10 speed cassette on the back. (campy record derailleur/shifters)

alexalecu
Posts: 44
Joined: Tue Sep 28, 2010 5:13 pm
Location: BC, Canada

by alexalecu

Do you know what the weight on that Vuelta chainring is?

bluesea
Posts: 115
Joined: Sun Dec 27, 2009 10:55 pm
Location: Honolulu

by bluesea

1x10, with 110 34t front.

JN2Wheels
Posts: 219
Joined: Sat May 09, 2009 3:03 am
Location: Maryland

by JN2Wheels

My perfect setup would be a Wolf Tooth 38T ring, as a single Cannondale Hollowgram Spidering. I know Wolf Tooth does a direct mount ring for SRAM GXP, why no love for Hollowgram??

limba
Posts: 956
Joined: Tue Dec 16, 2003 4:24 am

by limba

Maybe they'll get to it eventually. I'm sure they've been busy the last couple of months.

JN2Wheels
Posts: 219
Joined: Sat May 09, 2009 3:03 am
Location: Maryland

by JN2Wheels

Well... Wolf tooth and Absolute Black both appear to have 38t on the way for 130bcd. SRAM also has a 38t in XX1 and X1. Cannondale and others make xx1 spiders for hollowgram. So, there are a couple of options here. But how clean and light would it be to have an integrated spider+chainring with these chain-gripping tooth profiles! This would be THE killer CX Single ring setup.

But I'm not going to hold my breath. Maybe waiting a bit will allow Shimano/SRAM to introduce a clutched cx-specific rear derr and eliminate all doubts.

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