BLACK by absoluteBLACK Expander SprocketGreat solution for Shimano cassette users who require that one extra sprocket on steep climbs. Very simple to install, it fits behind 11-36 cassettes, displacing one sprocket from the main cluster Features: 40T Expander Sprocket allows you to upgrade your existing 11-36 10spd cassette to give an 11-40T range The most advanced shifting ramps and teeth
Absoluteblack chain catcher is designed to eliminate the possibility of chain falling in towards the frame when shifting to the inner chainring on uneven road. Chain catcher is a simple add-on component which improves the overall function of your drive train and protects your valuable frame from dropped chains. Especially recommended for Carbon frames. No matter how well you set up the front
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