Keenso Mountain Bike Cranks, Durable Aluminium Alloy Black 170mm Left and Right Set, Lightweight High-Performance Crank Accessories for Beginners and Professional Riders

Keenso Mountain Bike Cranks, Durable Aluminium Alloy Black 170mm Left and Right Set, Lightweight High-Performance Crank Accessories for Beginners and Professional Riders

• [AEROSPACE ALUMINUM ALLOY CONSTRUCTION] Precision-crafted from premium aluminum alloy for exceptional strength-to-weight ratio (0.6kg/pair). Delivers durability while resisting trail impacts and
• [170MM OPTIMIZED CRANK LENGTH] Engineered 170mm arm length maximizes pedaling efficiency and ground clearance – ideal for aggressive trail riding, technical climbs, and responsive power transfer.
• [DUAL BCD COMPATIBILITY (104MM/64MM)] Versatile 104mm outer + 64mm inner Bolt Circle Diameter (BCD) accommodates single, double, and triple chainring setups – future-proof your drivetrain configuration.
• [HIGH-STRENGTH AXIAL DESIGN] Reinforced 13mm screw diameter and construction eliminate flex under load. Maintains precise chain alignment for smoother shifting and reduced mechanical wear.
• [LIGHTWEIGHT PERFORMANCE UPGRADE] At just 21.2oz, these sleek cranks shed weight while boosting aesthetics. A cost-effective essential for mountain bike builds, remodels, or replacing worn OEM parts.