grogee Retro Guru Jul 12, 2013 #1 To suit 10 speed although I'm using "7-speed" biopace rings with a 10-speed SRAM rival system at the moment with no issues!
To suit 10 speed although I'm using "7-speed" biopace rings with a 10-speed SRAM rival system at the moment with no issues!
R riddim-track Senior Retro Guru Feedback View Jul 13, 2013 #3 I've got a 39t dura ace inner ring with load of life left, yours for a fiver if you want.
