Mountain Bikes Aluminum Cranksets 170mm 52T

Features: Anodized aluminium crank arms Lightweight aluminium chainrings Chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting Bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency Bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability Note: Bottom Bracket is NOT included.