Введение
Caliper brakes are one piece bicycle brakes that stop bicycle motion by pinching the rim with brake pads. Their main mechanism is governed by a wire that is attached to the brake levers. By using this guide to properly adjust your brakes, you can maximize brake performance.
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Using the 5mm allen wrench,check if the bolt on the backside of the caliper is snug.
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If your brake caliper is still tightened, loosen the cable bolt with a 5mm Allen wrench to take tension off the caliper.
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Check if the braking pads are contacting the rim in desired locations.
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For the left caliper pad, marked in the red circle, loosen the bolt with a 4mm Allen wrench so the pad can be adjusted.
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Align the bottom edge of the pad with the bottom edge of the braking surface and then tighten.
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For the right caliper pad, marked in the yellow circle, loosen the bolt with a 4mm Allen wrench so the pad can be adjusted.
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Align the top edge of the pad with the top edge of the braking surface and then tighten.
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Check if your brake cable is inside the groove on the two plates (marked in the red cirlce) that hold the brake cable.
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Squeeze the caliper until both sides are about 1mm from the rim.
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While still squeezing, pull down the slack on the wire and tension the wire by bolting it down.
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Make the brake pads equidistant from the rim by adjusting the tiny bolt on top of the caliper with a 3mm Allen wrench.
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Check if your brakes are properly working before you ride. If the tightness and alignment are satisfactory, enjoy your ride.
Check if your brakes are properly working before you ride. If the tightness and alignment are satisfactory, enjoy your ride.
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Команда
Cal Poly, Team 24-4, Green Winter 2015 Участник Cal Poly, Team 24-4, Green Winter 2015
CPSU-GREEN-W15S24G4
4 членов
Автор 3 руководств
5 Комментариев
There is a second small adjusting screw further in on the caliper, pushing against the spring. I think I know what it’s for, but why not point that out, lest someone use it mistakenly. So?
What is the purpose of having the pads offset where one is lined up to the bottom of the rim and one lined up to the top as shown on Step #3 above in comparison to just having the pad surface completely the same?
This is not needed on ultegra callipers as they are duel symmetric and both pads move up on braking. Pads should be set to the lower area of the rim. Duel pivot callipers need the above setting.
How do you make dual symmetric Ultegra calipers centred as they do not have the bolt in step 8?
Park tools has a great video on adjusting the calipers and addresses all types of calipers and explains how to adjust and center the pads.
