Description
Wide range 9 speed single-shift group for use with e-bikes Includes cassette, rear derailleur, shifter and chain E-bike optimized 12-50t ultra-wide ratio cassette with consistent progression Single Shift Per Swing for E-Bike Safe Shifting Derailleur features Box`s Tri-Pack Limited Slip Clutch Glass fiber / nylon composite, steel and aluminum construction Matte black finish
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