Is there a good idiots guide to building a hydraulic ultegra di2 bike?
I am probably going to buy a groupset in parts as i don't need brakes or crankset/bb but i've been finding it a bit difficult to work out which junction box you need and which length cables etc.
Is there a good idiots guide to building a hydraulic ultegra di2 bike?
I am probably going to buy a groupset in parts as i don't need brakes or crankset/bb but i've been finding it a bit difficult to work out which junction box you need and which length cables etc.