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SRAM Long-Pin/GXP and Short-Pin/BB30 Chainrings

Posted: Fri Jan 20, 2017 6:24 am
by Valbrona
What pin are they on about?

Thanks.

Re: SRAM Long-Pin/GXP and Short-Pin/BB30 Chainrings

Posted: Fri Jan 20, 2017 10:10 am
by Mackers
Chain drop prevention pin.

Re: SRAM Long-Pin/GXP and Short-Pin/BB30 Chainrings

Posted: Fri Jan 20, 2017 10:10 am
by Weenie

Re: SRAM Long-Pin/GXP and Short-Pin/BB30 Chainrings

Posted: Fri Jan 20, 2017 3:09 pm
by topflightpro
I've used a metal file to trim down the pin on chain rings to work on my Hollowgrams in the past.

Re: SRAM Long-Pin/GXP and Short-Pin/BB30 Chainrings

Posted: Fri Jan 20, 2017 8:41 pm
by Valbrona
Presumably the GXP cranksets have more clearance between crank arm and outer chainring than do the BB30 cranksets.

Re: SRAM Long-Pin/GXP and Short-Pin/BB30 Chainrings

Posted: Sat Jan 21, 2017 1:41 pm
by topflightpro
Valbrona wrote:Presumably the GXP cranksets have more clearance between crank arm and outer chainring than do the BB30 cranksets.


That is correct.

Re: SRAM Long-Pin/GXP and Short-Pin/BB30 Chainrings

Posted: Sat Jan 21, 2017 1:41 pm
by Weenie

Re: SRAM Long-Pin/GXP and Short-Pin/BB30 Chainrings

Posted: Sat Jan 21, 2017 3:21 pm
by darnellrm
This is WW.... Break the pin off and learn how to adjust your front derailleur.