• The brake was routed like this so we didn't have to add tape/clamps to the frame. I think it was routed this way before i stripped it as well. I actually thought it looked fine until you pointed it out. Damn it!

    At your service.
    Do whatever you like.
    As mentioned, the current routing may be the best for braking function.
    Looks is a matter of taste, totally up to you.
    I just hope that nobody will be trapped by this cable.

    Are you saying the QR levers should be on the other side? Why?

    It's certainly not a must.
    Just a habit that the levers are almost always on the LH (non-drive) side.
    If the rider has a flat tire, the mechanic from the service car will automatically try to grab the lever on the LH side. It may be a difference of a few seconds to get back to the peloton. Important seconds tho.
    Reasons? Esthetics. Most levers are designed to be positioned there. With these, it's not such a big issue.
    If you have derailleurs, the lever at the rear wheel should be placed on the LH side, otherwise you have problems with the reach mech.
    Just with disc brakes, people tend to put the QR lever on the RH side, to avoid burns. Fingers touching hot discs...

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