Wolf Tooth MK0 Headset - IS41/28.6 Upper 4mm Stack Shadow Gray CheckoutSpec= Pedals Beneath the cover sits a Inner Ring Compatibility:32T

Wolf Tooth MK0 Headset IS41 28.6 Upper 4mm Stack Shadow Gray CheckoutSpec= Pedals Beneath the cover sits a Inner Ring Compatibility:32T Beneath the cover sits a layer of high density polyurethane foam for just the right amount of cushioning while Ritchey’s revolutionary patented Vector Wing technology helps eliminate hot spots by dissipating pressure more evenly 45 x 45 Degree AC sealed bearing Upper cup insertion depth: 9mm Lower cup insertion depth: 10 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 MK0 IS upper headset feature a super low 4mm of stack made possible by the extra machining and new profile that result in a 44% reduction in aluminum weight without compromising strength and durability