Shimano FC-M431 Left Hand Crank Arm – 175mm MTB Replacement Crank
Restore your bike’s performance with the Shimano FC-M431 175mm Left Hand Crank Arm, a genuine Shimano replacement part designed for durability and perfect compatibility with your mountain bike drivetrain. Whether you're replacing a damaged arm or upgrading your setup, this crank arm delivers Shimano’s proven reliability and smooth pedaling performance.
Genuine Shimano Replacement Crank Arm
Specifically designed to fit Shimano FC-M431 cranksets, ensuring an exact match for your existing setup.
Perfect for Mountain & Hybrid Bikes
Ideal for MTB riders and commuters needing a strong, dependable 175mm left crank arm for optimal leverage and comfort.
Durable Alloy Construction
Built from high-quality forged aluminium to balance strength, stiffness, and weight for efficient power transfer.
Easy to Install
Direct replacement with standard fitting for the left (non-drive side), no special tools required.
Replace your worn or damaged crank arm with the Shimano FC-M431 175mm Left Hand Crank, engineered for strength, performance, and long-lasting reliability on every ride.