Wire 2S Men's Crankbrothers and ZM2 hubsets feature the

and ZM2 hubsets feature the automatic bearing preload for longer bearing life and easier serviceability

fits all e-Tube Di2 groups

puts an end to ghost shifting and reduces shift force and chain slap

The SRAM RED rear derailleur was designed with our Exact Actuation™ technology for precise

Wire 2S Men's Crankbrothers and ZM2 hubsets feature theAll the stability a rider needs Engineered specifically for athletes who seek maximum foot stability when unleashing extreme power. Ventilated carbon sole with innovative Firmor lateral support system suitable for athletes who need to combine power transfer with greater lateral foot stability. The specially designed dual rotor closure offers the ultimate adjustment for the perfect level of lateral support. MICROTECH MICROFIBRE: High Grade microfiber