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Air Bump Stop cartridge technology to control the bigger hits towards the end of the travel
New larger rear tri knob provides increased ergonomics and leverage for tightening the clamp body
Injection molded nylon fiber composite
SRAM X-SYNC 2 1x delivers top chain retention in rough terrain
e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH Gen4-Brose S Mag-TQ HPR50 26.5mm Offset 160mm Self Extractor Silver MPFN-1C0977 Air Bump Stop cartridge technologye*thirteen Helix Race Alloy e*spec Crank Arm Set BOSCH Gen4 Brose S Mag TQ HPR50 26. 5mm Offset 160mm with Self Extractor Silver. A high performance weight optimized alternative to carbon fiber for riders who prefer alloy cranks. These 24mm ISIS interface cranks are engineered for compatibility with Bosch Gen 4 Brose S Mag TQ HPR 50 Fazua Yamaha Maxon and Specialized Brose motor systems. They come in short lengths starting at 155mm for improved pedal
US$ 113.36
US$ 197.53
