Park Tool, 100-3D, Professional Micro-adjust clamp, For PRS-2, PRS-3, PRS-4 and PRS-4W balaclava Front derailleur Shimano GRX RX810

Front derailleur Shimano GRX RX810

this beginner-friendly design ensures linking turns without a catch

Armour-plated reinforcement at shoulders

breathable design for heavy-duty weather defense

Cuff Alignment: Single

Park Tool, 100-3D, Professional Micro-adjust clamp, For PRS-2, PRS-3, PRS-4 and PRS-4W balaclava Front derailleur Shimano GRX RX810A durable, versatile, easy to use clamp built for everyday shop use. Features a cam actuated micro adjust clamping system for easy entry and exit, which opens to fit nearly any tube from 23 to 76 mm (7 8" to 3"), including aero tubes. With infinite adjustability, there's no need to worry about accidentally crushing or damaging delicate carbon fiber tubing. Narrow clamping jaws fit into tight areas or onto short seat posts. The 100 3D is built to last,