Topic starter
Hi am building up old inbred want to use an old pair of square taper middleburn rs7 cranks, Need to know length of bottom bracket, would 68x113 or 118 be the one. cheers
Posted : 09/05/2010 3:26 pm
I believe middleburn recommend 113 for the best chainline with a triple.
however, i know a lot of people have found that far too short, so unless you're running single-speed and/or are a q-factor nut, I'd go 118.
Posted : 09/05/2010 3:32 pm
I have rs7s on an Inbred with a 68x113 bb, no problems, but that is with a single ring up front. If I was running a triple I might go longer as there's not much chainstay clearence with the ring.
Posted : 09/05/2010 4:51 pm