• Bottom Bracket and Shifter Sold Separately
• Fits either ISCG or ISCG05 mounts
• Includes 22 and 24 tooth rings

Truvativ HammerSchmidt AM Crankset

• OverDrive technology: 2-speed internal transmission system provides a 22/36t or 24/38t combination with included 22t or 24t single chainring
• ISCG or ISCG05 3-tab frame interface required to engage transmission (kit includes adapters for both interfaces)
• Funnel Chain Retention: integrated, single-ring chainguide and bashguard system keeps chain in place while compact design provides ample ground clearance
• Shift on Demand: instant shift technology allows for shifting under full load or while coasting (requires HammerSchmidt-specific, X.0 or X.9 level front shifter / sold separately)
• HammerSchmidt-specific bottom bracket interface fits 68/73/83mm shells (BB sold separately)
• Forged 7050-T6 aluminum crank arms: 1620g (complete)