OSPW RS 5 Spokes SRAM RED/Force AXS
The CeramicSpeed OSPW RS pulley wheel system pairs an injection moulded carbon fibre-reinforced polyamide cage with anodized aluminum 5-spoke pulley wheels. Grade 3 silicon nitride ball bearings support smooth rotation, with CeramicSpeed citing figures of 400% smoother, 128% harder, and 58% lighter performance compared to standard steel balls. The cage keeps the drivetrain compact and stable under load.
Built for SRAM RED AXS and SRAM Force AXS 12-speed rear derailleurs, this OSPW RS unit uses a 15-tooth upper pulley and 19-tooth lower pulley, with compatibility extending to cassettes up to 36 teeth. Two spring tension settings allow riders to fine-tune cage positioning for their setup. Claimed weight for the system is 0.65 lb.
Quick Facts
| Feature | Specification |
|---|---|
| Cage Material | Injection moulded carbon fibre-reinforced polyamide (PA) |
| Pulley Wheels | Anodized aluminum, 5-spoke, 15-tooth upper / 19-tooth lower |
| Bearings | Grade 3 silicon nitride ball bearings |
| Drivetrain Compatibility | SRAM RED AXS and SRAM Force AXS 12-speed rear derailleurs; up to 36-tooth cassette |
| Claimed Weight | 0.65 lb |
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