Full speed ahead ORBIT X EC34/28.6|EC34/30 Headset CheckoutSpec= Red Cover }Shimano Dura-Ace R9100 Rear Quick

}Shimano Dura-Ace R9100 Rear Quick Release - 163mm

Low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts

Wolf Tooth chainrings designed for Shimano direct mount cranksets

washable and PVC-Free

Four phenolic plastic pistons provide the stopping power and excellent heat management

Full speed ahead ORBIT X EC34/28.6|EC34/30 Headset CheckoutSpec= Red Cover }Shimano Dura-Ace R9100 Rear QuickSealed cartridge bearings. Classic shaped w modern styling. 82g 99g TECH SPECS SHIS EC34 28. 6 EC34 30 Color Silver Weight 95g Steered OD 28. 6 Cup (mm) 34 Race (mm) 30 Stack Height 31. 5 Bearing Angle Size 1 1 8`