The Oversized Pulley Wheel System for SRAM Red and Force AXS features a 15-tooth upper and 19-tooth lower pulley wheel setting, for maximum efficiency. Pulley Wheel Material: Aluminium
The handbuilt OSPW System has two spring tension settings, that allows customised setup based on riding conditions. Pulley Wheels: CeramicSpeed 15-tooth upper and 19-tooth lower.
