CeramicSpeed OSPW X SRAM SRAM Eagle Transmission, Black Chain Guide Parts Manufacturer Part Number: 910-20-206

Manufacturer Part Number: 910-20-206

128935-Q0-L

Manufacturer Part Number: EHBRS400BL

- Compatible with Bafang

171217-Q0-L

CeramicSpeed OSPW X SRAM SRAM Eagle Transmission, Black Chain Guide Parts Manufacturer Part Number: 910-20-206Proven to be the fastest pulley system, chosen by many of the world's leading cycling teams and professional triathletes Optimized tooth designs offer 3 5 times longer life than standard OE pulleys Standard: low drag with hardened steel races and ceramic ball bearings Coated: metallic layer that covers bearing races making them 75% harder than steel. Even lower friction and highly resistant to corrosion In the box: complete upper and lower OSPW