CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage White Cerakote CheckoutTitle=Avid FR-5 Single Lever Right or Left Strong and Safe biodegradable formula

Strong and Safe biodegradable formula that is safe for use with all plastic rubber and carbon fiber parts

}Full Speed Ahead Crank Bolt with Extracting Cap - M18 Bolt M30 Cap Anodized Gray

Dynamic:GSR - A proprietary blend of synthetic and natural rubbers enhanced with Graphene and next generation amorphous (non-crystalline) spherical Silica

}CushCore Valve Set - 44mm Red

amped center knobs with sipes that alternate between parallel and perpendicular balancing cornering grip and generous braking bite while rolling fast

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage White Cerakote CheckoutTitle=Avid FR-5 Single Lever Right or Left Strong and Safe biodegradable formulaCeramicSpeed OSPW X Pulley Wheel System for Shimano GRX RX 2x11 Coated Races Alloy Pulley Carbon Cage White Cerakote. The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features 13 tooth upper and 19 tooth lower Cerakote coated aluminum pulley wheels with Grade 3 Silicon Nitride balls Robust cage crafted from