This is probably the most common problem you’ll have with your disc brakes. One final consideration involves how square the disc tabs are. See a qualified mechanic with proper tools for this work. You should ensure that they are within the range of 0.2mm to 0.5mm. Interbike 2014 © Cyclocross Magazine. Shimano Tourney TX800 is the brands' entry level mechanical (also called cable) disc brakes. On Shimano brakes, if you are having difficulties with the rotor touching the top of one pad and the bottom of another, then you may likely need to have your disc tabs faced. Consider a donation to support CXM. Loosen the hex bolt if needed to move the pad. We will stick to hydraulic brakes below. Tightening these bolts can often cause the caliper to move around, so it’s recommended to take it in turns tightening each bolt 1/4 of a turn using a torque wrench until the desired torque is reached, Wind the fixed pad back in towards the rotor until you can hear it gently touching the rotor while the wheel spins, then wind it back out in small increments until it runs silently, Slacken the cable clamping bolt on the caliper arm, Place the piece of card between the outboard brake pad and the disc rotor, Use the rubber band to hold the caliper arm in the 'on'. As we near cyclocross season, now is a great time to replace your brake pads and make sure the brakes are set up correctly. Regardless of brand and model, this article will help you gain the knowledge you need to adjust mechanical disc brakes. Note: This guide only covers flat-mount and post-mount style disc brake calipers. Back off the inboard pad until it no longer rubs. My bike has Shimano M415 mechanical disc brakes. The caliper, the actual brake bolted to the bike, is made up of two brake pads, inboard and outboard, between which the rotor will be clamped to provide the braking. Turn the adjusting knob or screw on the inboard pad until the pad sits almost to the center of the gap in the middle of the caliper. This action moves the outboard pad inward toward the inboard pad, thus clamping the disc rotor. Just enough to allow you to slide the caliper around The common mounting standard is referred to as the International Standard. Shimano brakes, however, are only adjustable side to side. If the inboard pad is too far out, when you actuate the brake the outboard pad will clamp the rotor against the caliper instead of the brake pad. SHIMANO Road Disc Brakes can make riding more enjoyable for a wider range of riders because of its consistent brake performance unaffected by weather conditions, lighter lever operation, easier brake power control, and the superior heat dissipation performance of ICE TECHNOLOGIES. That slight kiss from the disc onto your brake pads and the accompanying squealing/scraping noise can drive you mad. First we will discuss setup of those brakes with independently adjustable pads like BB7, then those with only the fixed, adjustable inboard pad. This is covered separately. Loosen the mounting bolts and try it again. I bought a carbon road bike about 4-5 months ago with Tektro Spyre dual pivot mechanical disc brakes. Part 2. Before we start, let’s define some terms. Reach adjust. Lighter front shift action and refined ergonomic shape sweeten the deal. Mount calipers our site with our social media, advertising and analytics partners Over ride coupling fitted a! 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