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smallest chainring you can fit on 144 bcd crankset?

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smallest chainring you can fit on 144 bcd crankset?

Old 12-07-11, 12:54 PM
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smallest chainring you can fit on 144 bcd crankset?

how small can you go with 144 BCD?
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Old 12-07-11, 12:57 PM
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42 or 41
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Old 12-07-11, 12:57 PM
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42 is the smallest commonly available ring, although 41 does show up and is the absolute smallest.
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Old 12-07-11, 01:45 PM
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excellent, thanks folks.

new crank arms on the way to me.
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Old 12-07-11, 06:18 PM
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brand

Originally Posted by AngryScientist View Post
new crank arms on the way to me.
whatcha getting?
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Old 12-07-11, 07:35 PM
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Originally Posted by Soil_Sampler View Post
whatcha getting?
set of omniums, i had the cheaper sram GXP single crank on my bike for a while @ 165 crank arms, which i always felt were a little too short, i'm stepping up to 167.5 and decided to spring for the omniums.
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Old 12-07-11, 08:06 PM
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42T is the smallest commonly available size; 41T is the absolute limit.

N.B. with a 41T ring, the chain side plates may (depending on what specific chain you have) ride up on the ends of the spider arm. You may need to file the spider to get clearance:

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Old 12-08-11, 06:39 PM
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omnium chainring

Originally Posted by AngryScientist View Post
set of omniums
https://www.bikeforums.net/showthread...nium+chainring
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Old 12-08-11, 07:31 PM
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Regarding chainring bolts: it really depends on the chainring. I used the stock bolts that came on my Omniums with three different rings and had no issues with them being too long.
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Old 12-08-11, 07:34 PM
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aren't omniums chainrings 1mm or 2 thicker than the majority of 144BCD chainrings?

Last edited by 8bits; 12-08-11 at 07:38 PM.
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Old 12-08-11, 07:38 PM
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Yes, but the bolt holes are recessed quite a bit. I expected to run into a problem when I swapped the stock chainring for an FSA ring but the bolts worked perfectly - until two of them broke. Stupid aluminum chainring bolts.
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Old 12-08-11, 07:44 PM
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Originally Posted by Scrodzilla View Post
Yes, but the bolt holes are recessed quite a bit. I expected to run into a problem when I swapped the stock chainring for an FSA ring but the bolts worked perfectly - until two of them broke. Stupid aluminum chainring bolts.
So you're telling me that the stock chainring bolts on the Omnomnoms are aluminum. Just another reason for me not to want them.
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Old 12-08-11, 07:50 PM
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They used to be steel. I'm not sure when they changed but now they're aluminum.
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Old 12-08-11, 07:55 PM
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Originally Posted by Scrodzilla View Post
They used to be steel. I'm not sure when they changed but now they're aluminum.
That is so effin stupid ! The weight savings are negligible, and making highly stressed fasteners out of anything other than steel is idiotic. Some moronic marketing person at SRAM who has zero engineering credentials must be behind this.
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Old 12-08-11, 08:05 PM
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Originally Posted by TejanoTrackie View Post
Some moronic marketing person at SRAM who has zero engineering credentials must be behind this.
He's most likely a raodie.
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Old 12-08-11, 08:21 PM
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Any fixing nuts and bolts that hold tension should never be aluminum.
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Old 12-08-11, 08:36 PM
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the majority of fixed riders in my country buy/use that ****ty shun feng hub with aluminum lockrings. oof
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Old 12-08-11, 08:38 PM
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Originally Posted by Dannihilator View Post
Any fixing nuts and bolts that hold tension should never be aluminum.
Seriously.
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