Originally Posted by
DarkSeraphim
After recently replacing the stock 103 BB on the Kilo with a 107 I feel like my cranks are out super wide. Been thinking about just upgrading to S300's. Is the BB wider than 103? With the external bearings and all...
Cranksets require specific length BB spindles for a reason. Using something other than the recommended BB will obviously throw off your chain line and Q factor.
The Spindle on GXP cranksets is attached to the drive side crank arm so what you're asking is a non-issue.