STJ130-RD

Details

• GEAR: 53T,52T,50T,48T
• CHAINRING: 3.6mm Alloy
• CRANK MATERIAL: Forged Alloy-6061-T6
• CRANK LENGTH: 165,170,175MM
• SPEED: 正负齿
• PCD: 130MM
• CHAIN LINE: 45MM