Wolf Tooth MK0 Headset - IS42/28.6 Upper 4mm Stack Shadow Gray Model=XT RD-M8000 Rear Derailleur Type Tubeless Size 700x50 ISO

Type Tubeless Size 700x50 ISO 622 Bead TBLS - Fold Tread/Sidewall Color Bk/Blk PSI Weight (Grams) 600 TPI 120 Durometer Features UHP Reflective Sidewall

BPRF – B-Proof models feature and ultra-thin Aramid belt that drastically improves puncture protection without the added weight

Alleviates hand pain

Air Temperature Range: -5°C to -30°C (23°F to -22°F)

Shimano ST-RX400-R GRX 10 speed shift levers use a different cable pull than Shimano's 10 speed road shift levers

Wolf Tooth MK0 Headset - IS42/28.6 Upper 4mm Stack Shadow Gray Model=XT RD-M8000 Rear Derailleur Type Tubeless Size 700x50 ISOMK0 items represent a refined approach to component engineering with special consultation with Team Visma Lease A Bike. Each top cap spends 4x more time in Wolf Tooth's CNC lathe before undergoing thorough QC inspection and anodizing in the new Shadow Gray color. The extra machining and new profile of the MK0 upper headsets have meaningful gains and result in a 44% reduction in aluminum weight without compromising strength and durability. These super