Shimano Alivio Mountain Bikes M4050 Crankset

Features: Lightweight HollowTech II cranksets. Innovative HollowTech forged and anodized aluminium crank arms utilize a hollow design that minimizes flex and keeps the weight low The chainring teeth have been developed to work in conjunction for increased contact to provide greater efficiency and improved power transfer The bottom bracket bearings can be spaced wider apart, enabling the use of larger bearings and an increased axle diameter Can be used with Shimano external or press-fit bottom brackets The system allows for easier installation, adjustment, and maintenance Lightweight anodized SG-X aluminium chainrings for smooth and precise shifting Note: Bottom Bracket is NOT included.