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AB0031: The eleven tooth upper and twelve tooth lower size and profile with 5mm bolt-holes are designed as an upgrade for most 11 speed Shimano GRX derailleurs
With upgraded clamp jaws clutch components and mast hardware the Pro Mechanic is more durable more stable easier to use and even more reliable
includes short and long crowns
Optimal balance of stiffness strength weight and rotational performance
Using our state-of-the-art Nano Tech formula
RockShox Damper Upgrade Kit - Charger Race Day 2 / 2-Postion 30mm 40mm Max Travel RUDY A1+/2022+ MFPN=11.6218.037.010 AB0031: The eleven tooth upperRockShox Damper Upgrade Kit Charger Race Day 2 2 Postion 30mm (40mm Max Travel) RUDY (A1+ 2022+). The RockShox 2 position Charger Race Day 2 damperevery detail perfected every extra ounce shaved away; this is their lightest performance driven damper ever. Light. Speed. Performance. Podium. This 2P damper features two compression positions: Open or a rock solid Lock. Includes complete right side damper internals for an easy upgrade Compatible with
