Alignment tools for derailleur hangers and brake discs

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A derailleur alignment hanger tool and brake rotor truing tool are essential equipment for bicycle service tools.

A derailleur hanger straightener is a specialized tool used in bike maintenance and repair to properly align the hanger of the derailleur, the small component that holds the rear derailleur to the bike's frame. The derailleur hanger plays a key role in the accurate shifting of a bicycle's gears. If bent or misaligned, it can lead to poor shifting, incorrect chain alignment, and even possible drivetrain damage.

A disc brake straightener is a specialized tool used to adjust and straighten brake discs. Disc brakes on bicycles can sometimes be misadjusted due to a variety of factors such as impacts, rotor distortion or normal wear and tear. Brake disc alignment ensures that the brake disc rotates smoothly and evenly in the caliper, preventing friction between the brake pads and ensuring efficient braking performance.

Check out our video "Bike frame and derailleur rescue - hanger"

Products

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-23% Park Tool PT-DAG-2-2 derailleur hanger alignment gauge

88.99 € -23% ~~RRP 115 €~~

Park Tool PT-DAG-3 derailleur hanger alignment gauge

134 € ~~RRP 149 €~~

Park Tool PT-DT-2C rotor truing fork

21.99 € ~~RRP 23.99 €~~

-15% FORCE multifunctional tool for disc brake service

10.79 € -15% ~~RRP 12.69 €~~

Kovys derailleur bracket straightener

57.99 € ~~RRP 59.99 €~~

-7% Longus brake disc aligner

12.90 € -7% ~~RRP 16.99 €~~

BBB BTL-74 DiscStraight brake disc straightener

17.99 € ~~RRP 18.99 €~~

Super B TB1946 derailleur hanger alignment gauge

62.99 € ~~RRP 78.99 €~~

-15% Shimano TL-RD11 rear dropout alignment tool

206 € -15% ~~RRP 242 €~~

BBB BTL-196 PADALIGN foot straightener

79.99 €

Topeak disc brake rotor balancer ROTOR TRU

15.99 € ~~RRP 19.99 €~~

-17% PRO disc brake rotor alignment tool

19.90 € -17% ~~RRP 27.99 €~~

Super B TB-MW40 disc balancer

18.39 € ~~RRP 22.99 €~~

Unior tool for disc brakes 2in1

18.79 € ~~RRP 19.89 €~~

BBB BTL-212 DISCDOCTOR disc brake maintenance tool

26.99 €

Unior disc leveling tool

21.99 € ~~RRP 22.99 €~~

XLC wheel straightening tool TO-S35

17.99 € ~~RRP 18 €~~

Unior wrench for straightening converters

44.99 € ~~RRP 47.90 €~~

Wolf Tooth opener, black

19.49 € ~~RRP 22.99 €~~

Wolf Tooth Hanger alignment tool

155 € ~~RRP 185 €~~

Wolf Tooth Hanger alignment tool foot straightener for axis and Quick Release

187 € ~~RRP 223 €~~

Jagwire Combination Wheel Alignment Wrench

41.99 € ~~RRP 45.99 €~~

Weldtite Cyclo tools Preparation for aligning the disc brake rotor and converters

61.39 € ~~RRP 61.99 €~~

Alligator HK-DR01 disc straightener

14.79 € ~~RRP 15.69 €~~

Cyclo tools Frame heel straightener

119 €

Unior Hanger Genie 2.0 heel straightener

107 €

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