Tripeak OSPW 12/16T, Ceramic Bearing, Hollow Type Shimano DA91/Ultegra 8000 - 11 Speed Shakes all components require the same

all components require the same firmware version

Rugged aluminum construction

Can be mounted horizontally or vertically with supplied clamp

This powerfully bright light can cut through night time darkness

From the first sip to the last

Tripeak OSPW 12/16T, Ceramic Bearing, Hollow Type Shimano DA91/Ultegra 8000 - 11 Speed Shakes all components require the sameProduct Description Tripeak OSPW 12 16T, With Ceramic Bearing, Hollow Type (For Shimano 11 Speed, DA91 Ultegra 8000) Specifications: Alloy Derailleur Cage kit system with pulley wheel Upper: 12T Lower: 16T For Shimano 11 Speed Drivetrain (DuraAce 91xx Ultegra 80xx series) Tripeak ceramic bearing Race proven performance. Molded composite material For superior durability than metal ones. Directional tension pulley Reduce frictional power loss for quiet