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1/8 cog and 144 1/8 chainring(5 posts)

1/8 cog and 144 1/8 chainringwooden legs
Nov 24, 2003 9:55 PM
apparently shimano doesn't make a 144 1/8 chainring, or at least i can't seem to find one at any of the lbs's around here or on the interweb. i want to keep my track cog and ring the same brand, just to assure that there's no incompatability or odd wear issues down the road, and i was wondering if anyone knows an online resource to order high quality 1/8th spaced cogs and rings. i'm especially looking for a 44 or 46 chainring and a 15, 16, and / or 17 tooth cog. thanks for any help -
re: 1/8 cog and 144 1/8 chainringPeter B
Nov 24, 2003 10:38 PM
Try www.businesscycles.com or www.worldclasscycles.com. Both carry track-specific parts. Sugino makes reasonably priced 144 chainrings and either Surly, EIA or Soma offers quality CNC'ed cromo cogs.
I have one cheap...wspokes
Nov 25, 2003 4:41 AM
email me, I can hook you up with a 15 x 1/8 cog. I got one for $5 shipped. used. if you have a 15,16,or 17t 3/32"...I will trade up.
wspokes@penn.com
Second business cycles.Steve Young
Nov 25, 2003 8:51 AM
I got a Campy record 144 BCD 1/8 46 tooth chainring from Business Cycles. The smaller rings are apparently harder to source so it took a couple of weeks and cost a little bit more. However if you are looking for 48 (or bigger) then I think you may find them more readily available (= slightly cheaper and quicker).

Having said that, I think there are more factors than just the BCD to ensure that the chainring fits. I read something somewhere (may have been either on Sheldon's site or in Barnett's guide) about a handful of parameters you have to get right when you replace a chainring. However, the memory is a bit hazy and I can't find the reference as I write this - it may only have been for a gearing chainring switch. However I thought it was worth flagging as something to check - nothing worse than getting a bit in the mail that doesn't fit!

Maybe someone here can help. ALternatively - when I rang Business Cycles with a whole boatload of questions they were very helpful (and knew all the answers) so that may be quicker, easier and surer.

Steve

Steve
thankswooden legs
Nov 27, 2003 12:54 PM
thanks everyone, prolly going with the business cyles or world class, good resources. one of them actually has 44 tooth dura ace, so that's perfect. thanks again for sharing what you knew.