Ceramicspeed OSPW Alloy Shimano DA9100 & ULT8000 Pulley Wheel - Black Coated wheel hub durable Copolymer plastic

durable Copolymer plastic

Weight: 41 g / 1

Comfort compression and flexibility

Total capacity: 16T

Repair side-release Stealth buckle for all models

Ceramicspeed OSPW Alloy Shimano DA9100 & ULT8000 Pulley Wheel - Black Coated wheel hub durable Copolymer plasticSpecifications The overall power savings of the OSPW System for Shimano 9100 9150 8000 reach 30% 60%, or more in some cases, over a stock setup. The oversized pulley wheels have 3 5 times longer lifetime than the commonly used standard pulleys on the market. The Shimano 9100 9150 and 8000 SS 8050 SS OSPW system is compatible up to a 32 tooth cassette for both Dura Ace & Ultegra derailleurs.