Besttoolifes 170mm Crank Arm Set 104BCD for 8-12 Speed Drivetrain

Details

• Compatibility: Features a standard square taper interface and 104BCD mounting pattern, designed to work seamlessly with most square taper bottom brackets and single chainring setups for 8 to 12-speed drivetrains.
• Secure Chain Retention: Equipped with a Narrow-Wide tooth profile on the chainring that effectively grips the chain links, drops and slips even during aggressive off-road riding or rough surfaces.
• Lightweight & for durable: Constructed from high-strength aluminum alloy, the 170mm crank arms offer an optimal balance of reduced weight for climbing and robust durability to withstand the impacts of biking.
• for versatile Options: Supports chainrings ranging from 42T to 50T (sold separately or in specific kits), allowing riders to customize their gear ratio for steep climbs, flat sprints, or technical terrain requirements.
• Complete Conversion Kit: Comes as a comprehensive set including the crank arms, a chainring, and necessary mounting accessories, providing everything needed for a straightforward single-ring conversion or replacement.