OSPW X System for Shimano GRX/RX 2x11 Options:OSPW X Pulley Wheel System for Shimano GRX/RX 2x11 - Coated Races, Alloy Pulley, Carbon Cage, White Cerakote It is designed for aggressive

It is designed for aggressive riding styles such as downhill

Torx T25 (extended 50mm length)

approximate weight 745g

we set about creating a fit that will work for riders over the entire mountain—not too loose

T25 & T10 torx tools

OSPW X System for Shimano GRX/RX 2x11 Options:OSPW X Pulley Wheel System for Shimano GRX/RX 2x11 - Coated Races, Alloy Pulley, Carbon Cage, White Cerakote It is designed for aggressiveThe 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 polyamide and carbon fiber for durability and light weight Coated bearing races increase bearing service life by increasing