Wolf Tooth MK0 Headset - IS42/28.6 Upper 4mm Stack Shadow Gray MFPN=JI1895-5- Mounting bolt is Half Mount

Mounting bolt is Half Mount ready - Pair with a UDH and Half Mount plate for increased derailleur hanger security (UDH and Half Mount plate sold separately)

The Sunrace MS8 wide range cassette gives you an affordable 11 speed option

Toe Spike Compatibility No Cleat Bolt Pattern 2-Bolt Closure Dial/Velcro Shoe Size (EU) 48 Gender/Age Unisex Color Slate Defined Color Blue Activity Cycling

EcoProteQ (EPT) anti-rust treatment that provides maximun rust resistance low noise and great looks

Wolf Tooth MK0 Headset - IS42/28.6 Upper 4mm Stack Shadow Gray MFPN=JI1895-5- Mounting bolt is Half MountMK0 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