OSPW Pulley Wheel System for Shimano 9000/6800 Series - Alloy Pulley, Carbon Cage, Black eyewear accessories The Femto USB-C Drive front

The Femto USB-C Drive front and rear set offers compact and lightweight LED bicycle lights

0 Nm) and a fixed Torque Lock position for unlimited tightening and loosening

we’ve reduced the driving diameter

spare tubes

OSPW Pulley Wheel System for Shimano 9000/6800 Series - Alloy Pulley, Carbon Cage, Black eyewear accessories The Femto USB-C Drive frontThe CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Hardened steel bearing races Only compatible with Ultegra 6700 6770 6800 6870 mechanical and Di2 rear derailleurs and Dura Ace 7900 7970 9000 9070 mechanical and Di2 rear derailleurs (up to 28t cassettes) Not compatible with Shimano Dura Ace 9100 9150 and Ultegra