The CeramicSpeed OSPW X Shimano GRX/RX 2x11 Coated features a 13-tooth upper and a 19-tooth lower pulley wheel with durable aluminum construction. It is made for gravel and cyclocross setups where durability, low friction, and long-lasting use are necessary....
The worlds fastest Pulley Wheel system just got faster. OSPW Aero features a lifetime warranty and is wind-tunnel tested to have 40% less friction compared to a stock derailleur, making it perfect for time trials or triathlons.
The CeramicSpeed OSPW X Shimano GRX/RX 2x11 Coated features a 13-tooth upper and a 19-tooth lower pulley wheel with durable aluminum construction. It is made for gravel and cyclocross setups where durability, low friction, and long-lasting use are necessary....