Ospw sram red / force axs black coated

The oversized pulley wheel system for SRAM Red and Force AXS features an upper 15 tooth and lower 19 tooth pulley wheel configuration, for maximum efficiency. Pulley Wheel Material: Aluminum The hand-built OSPW system has two spring tension settings, allowing for a custom setting based on driving conditions. Pulley wheels: CeramicSpeed ​​15 teeth upper and 19 teeth lower