Ceramicspeed OSPW Alloy Shimano DA9100 & ULT8000 Pulley Wheel - Black Coated wheel hub Comfort compression and flexibility

Comfort compression and flexibility

Outside diameter_180 mm: ✔

Three open back pockets with reflective elements

Versatile design allows for bike parking without risk of scratching bikes or damaging components

Ceramicspeed OSPW Alloy Shimano DA9100 & ULT8000 Pulley Wheel - Black Coated wheel hub Comfort compression and flexibilitySpecifications 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.