Cycling Equipment · Public discussion

New Brake Pads

Started by crawfordguard · · Last activity · 3 posts · 702 views

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Cycling Equipment
Published
17 May 2011
Last activity
18 May 2011
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crawfordguard
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  1. So I just replaced my stock brake pads with new Jagwire pads and noticed that on the front right pad, the front of the pad hits the rim about 2mm before the back. This isn't happening on any of the other 3 brake pads so I don't know if the caliper is bent or what.[IMG]cyclingforums.com500[/IMG]

  2. Impossible to tell from that angle. More likely the shoe just needs a toe adjustment.

  3. That's called 'toe in' and although that's a lot of toe in, some is a good idea to minimize brake squealing.

    Most high end brake shoe holders are equipped with elliptical washers or other means of adjusting toe in on your brakes. You loosen the allen bolt that holds the brake shoe holder to the calipers, rock the holder in or out, up down, etc. to get the alignment and toe in you're after and retighten the bolt.

    FWIW, an easy way to adjust for consistent but minimal toe in is to slide a thin piece of cardboard (like a single sheet of matchbook cover or the cardboard backing that came with your new brake shoe packaging) between the rear of the brake shoe and the rim when the allen bolt is loosened up then grab a handful of the brake lever to clamp the brake pad up against the rim with a bit of toe in provided by the cardboard wedge slipped in at the very rear of the pad. Make sure the aligment is good in all directions and tighten the bolt. I generally have to pre-tighten the bolt enough to maintain the position but then let go of the brake lever and hold the brake shoe with one hand while doing the final tightening to keep the brake shoe holder from rotating under the torque of tightening the bolt. Repeat for the other brake pads one at a time and with practice you'll end up with all four pads toed in just a tiny bit which is all you need to keep your brakes quiet but to still get full stopping power.

    -Dave

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