The Oversized Pulley Wheel System (OSPW System) offers increased drivetrain efficiency with two 17-tooth alloy pulley wheels and extremely low friction pulley bearings.
- Grade 3 Silicon Nitride balls
- Hardened races
- Reinforced polyamide cage and non-contact seals
- Hand built in Denmark
- Features two oversized 17-tooth titanium pulley wheels
- Titanium pulley wheels are 3D-printed and hollow for additional weight savings and durability
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
- Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
- Only compatible with SRAM 11-speed eTap derailleurs (fits up to 32t cassettes)
- Not compatible with 12-speed eTap AXS










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