4-Arm
• 100% CNC Production
• Crank: Forged AL6066-T6
• Length: 165mm, 170mm, 172.5mm, 175mm
• BCD: 110mm
• Chainring: 53x39T, 50x34T, 52x36T, 52x38T,(AL7075-T73)
• Spindle: Cr-Mo SCM440
• Speed: 10/11
• Chainline: 43.5 mm
• Weight: 840g±10g/175mm (BB Not Included)
