Cycling Equipment · Public discussion

Quick question on brake adjustments

Started by lohsnest · · Last activity · 4 posts · 1,180 views

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Cycling Equipment
Published
25 March 2005
Last activity
26 March 2005
Original author
lohsnest
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4
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  1. Okay, here's the dilemma. I'm having some problems in alternating between my Renn 575 disc and my Campagnolo Vento rear clinchers. The problem is simple....the Renn575 is a bit wider than the Vento (The rim's braking surface). I've made some adjustments to the cabling already so now the issue becomes....when using the Renn575 disc, am I okay if I use the adjustment screw each time to widen and narrow the gap between the two braking surfaces? Obviously, I do not want to leave that much of a gap between the pad and the braking surface. Also, how tight shoud the screw be on the lower arm of the brake caliper? I'm afraid to over-tighten, but also want to make sure I am safe and the cable won't slip.

    Are there any other options?

    Runce 😕

  2. lohsnest said:

    Okay, here's the dilemma. I'm having some problems in alternating between my Renn 575 disc and my Campagnolo Vento rear clinchers. The problem is simple....the Renn575 is a bit wider than the Vento (The rim's braking surface). I've made some adjustments to the cabling already so now the issue becomes....when using the Renn575 disc, am I okay if I use the adjustment screw each time to widen and narrow the gap between the two braking surfaces? Obviously, I do not want to leave that much of a gap between the pad and the braking surface. Also, how tight shoud the screw be on the lower arm of the brake caliper? I'm afraid to over-tighten, but also want to make sure I am safe and the cable won't slip.

    Are there any other options?

    Runce 😕

    Unless you have a torque wrench (and I don’t) you want it tight – but not too tight. In other words tighten but don’t really crank it down.

  3. lohsnest said:

    Okay, here's the dilemma. I'm having some problems in alternating between my Renn 575 disc and my Campagnolo Vento rear clinchers. The problem is simple....the Renn575 is a bit wider than the Vento (The rim's braking surface). I've made some adjustments to the cabling already so now the issue becomes....when using the Renn575 disc, am I okay if I use the adjustment screw each time to widen and narrow the gap between the two braking surfaces? Obviously, I do not want to leave that much of a gap between the pad and the braking surface. Also, how tight shoud the screw be on the lower arm of the brake caliper? I'm afraid to over-tighten, but also want to make sure I am safe and the cable won't slip.

    Are there any other options?

    Runce 😕

    53 - 69 in-lbs torque. A small beam torque wrench with a few metric Allen fittings will cover most fasteners of this type on a bicycle.
    http://www.parktool.com/pdf/torque.pdf
    http://www.parktool.com/repair_help/torque.shtml
    http://www.parktool.com/repair_help/thread.shtml
    are good references for this type of question.

    When swapping wheels of different rim widths there are not many choices.

  4. Thanks for everybody's feedback.... got the problems resolved and everything seems fine now.

    Runce 😄

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