CeramicSpeed OSPW System, Compatible with Shimano 9100/8000, Standard - Red Training Wheels - 750g (31

- 750g (31

UPC: 710845855849

- Aggressive trail tire for intermediate and technical terrain

and two barrel nuts

UPC: 072774171309

CeramicSpeed OSPW System, Compatible with Shimano 9100/8000, Standard - Red Training Wheels - 750g (31Proven 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 9100 9150 8000 SS 8050SS is not compatible with