Deanthebean":2vgapods said:I’ve had the same problem I try to ride at at least 25mph all the time and gone down to a 54/48 and I can’t find any 12/18 6 speed blocks any more. I’ve written to Graeme Obree asking if I can have the drive train off his hour record bike. :roll:
Its either not straight through or is 8 speedSouthwestslacker1":bmggt8hy said:Found it, it’s a 12-19 straight through