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This is one of those questions that can start arguments between bike mechanics--to cross or not to cross the derailer cables. Crossing appears to be becoming more common on new bikes, if the cables aren't internal, but it's also going to depend upon the bike. Smoother shifting is reported by some from crossed cables. I would talk to the mechanic at your LBS ...


I have seen this frequently and routed my cables this way. By routing the shifter cable from the right side of the handlebar around the stem to the cable boss on the left side of the frame (and visa versa) I create a more gentle bend in the in the cable housing. A gentler bend creates less internal friction on the cable. Another benefit is less stress on the ...


Couple of points:- Firstly, yes they are compatible. Yes they do shift better of standard cables, this is due to cable drag. Cable drag is basically the friction between the inner and the outer. This friction causes slower and less accurate shifting. The polymer on the inner decreases the coefficient of drag between the inner and outer, this increasing ...


To expand on Batman's answer, here is a good picture of an ispec-ready shifter attach to the brake lever's clamp. Here is a traditional shifter using its own clamp (SL-M591) taken from my potato camera

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