Shimano Alivio 2-piece design chainset FC-M4050

Shimano Alivio 2-piece design chainset FC-M4050

• Great value tough and stylish Mega-9 Alivio chainset offering slick hyperdrive shifting performance for off road enthusiasts
• The 2-piece design chainset features an external bottom bracket system which is a lightweight rigid design that is incredibly strong and durable
• Lightweight and rigid steel bottom bracket axle
• Hyperdrive SG-X chainrings for fast and smooth gear shifts
• Replaceable chainrings
• 4-arm chainring, 96 / 64 mm BCD
• 9-speed compatible chainrings