Elevate your cycling game with the Bigrock RS Carbon Crank Arm. Engineered for advanced power transfer and resilience, this crank arm is the pinnacle of drivetrain enhancements. Enjoy smoother rides and improved endurance with this professional-grade component.
BIGROCK Second-generation RS carbon fiber road crank hardcore debut
——Strength + lightness + rigidity + compatibility, comprehensive innovation of thinking performance
From carbon cloth winding process to full CNC metal structure, after thousands of test optimizations, Dashi second-generation road carbon fiber crank has a fatigue strength test 23% higher than the international standard (international standard 180 kg 80,000 times, RS crank 220 kg 320,000 times) to redefine the professional-grade carbon fiber transmission standard!
Hardcore technology matrix
Ultra-lightweight design: 165mm crank (excluding spider ) weighs only 338g±10g, Titanium alloy axle + T1000 series carbon fiber stacking process, the rigidity improvement is visible !
-- Fully compatible adaptation system
24mm (SHIMANO) universal axle specification + 3 Bolts installation interface, Mainstream installation methods, seamless adaptation
Durability verification
Fully CNC hollow aluminum alloy metal parts + independent carbon fiber winding technology, full impact resistance