Senior Member
Join Date: Feb 2006
Location: Sin City, Nevada
Posts: 2,897
Bikes: Catrike 700, Greenspeed GTO trike, , Linear LWB recumbent, Haluzak Horizon SWB recumbent, Balance 450 MTB, Cannondale SM800 Beast of the East
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Use a credit card (no charge)
Terratrike gave me an easy way to adjust disc brakes on a trike (mine had Shimano discs) by using a credit card for a spacer. There are two fixing bolts that align the pad with the rotor. Loosen the two bolts, insert the card between the rotor and pad. Gently squeeze the brake handle and tighten the two bolts while still putting pressure on the brake handle. Take out the card and you have the perfect distance plus the brake disc and pad are parallel to each other. If the rotor is warped you will still have a problem as the only way to fix that is to replace the rotor.