Shimano Ultegra 6800 Caliper Brake Maintenance

Geschrieben von: Leland Lam
  • Kommentare: 7
Shimano Ultegra 6800 Caliper Brake Maintenance

Schwierigkeitsgrad

Easy

Schritte

9

Zeitaufwand

15 Minuten

Einleitung

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.

    These do not look like Ultegra 6800 brakes. 6800 brakes are symmetrical dual-pivot. These seem to be Ultegra 6700 - please correct me if I'm wrong.

    Tony San Nicolas -

  2. NycSVheQE2ncO4SY

    • 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.

    • Both pads are loosened the same way.

    • For the left caliper pad, marked in the red circle, loosen the bolt with a 4mm Allen wrench so the pad can be adjusted.

    • Align the bottom edge of the pad with the bottom edge of the braking surface and then tighten.

    • For the right caliper pad, marked in the yellow circle, loosen the bolt with a 4mm Allen wrench so the pad can be adjusted.

    • 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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    • If the adjustment lever is not turned down, turn it down.

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    • Squeeze the caliper until both sides are about 1mm from the rim.

    • While still squeezing, pull down the slack on the wire and tension the wire by bolting it down.

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    • Fine tune the brake calipers by using the barrel adjuster.

    • Counter clockwise turns open the calipers and clockwise turns close the calipers.

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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.

    Do you know what the tiny bolt is called?

    My bike has one for calipers and read caliper is missing it. It's rather tricky to search.

    ethar -

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    • Check if the brakes are working properly by squeezing your brake levers.

Abschluss

Check if your brakes are properly working before you ride. If the tightness and alignment are satisfactory, enjoy your ride.

Tinte & Feder

Leland Lam

Mitglied seit: 24/02/15

321 Reputation

5 Kommentare

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?

David Kuch -

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?

spicedupflip -

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.

jeremy isaacs -

How do you make dual symmetric Ultegra calipers centred as they do not have the bolt in step 8?

Damon Murphy -

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.

https://www.youtube.com/watch?v=q4ay12CS...

lmi -