• Shimano Alfine internal hubs
• Improved gear engagement and shifting efficiency
• e-Bike compatibile
• Higher performance under load (high chain tension) than previous Alfine hubs
• Gear range of 307% for 8 speed and 408% for 11 speed
• Center-lock disc compatible
• -01: 8 speed
• -02: 11 speed
• Weight: 1670g (8 speed), 1665g (11 speed)