Cane Creek Hellbender 70 Headset - IS42/28.6/H9 Upper | IS52/40 Lower Tapered Purple S.H.I.S.-ZS44/28.6 / EC44/40 The Wolf Tooth 30T is

The Wolf Tooth 30T is the only 104 BCD chainring made in the market

Great for racing and training with wide coverage for ears

Brakes: Shimano XT M8100 DiscRotorsShimano SM-RT76 / 6 Bolt / 180/F and 160/R

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Cane Creek Hellbender 70 Headset - IS42/28.6/H9 Upper | IS52/40 Lower Tapered Purple S.H.I.S.-ZS44/28.6 / EC44/40 The Wolf Tooth 30T isDesigned to bridge the gap between the 40 and 110 series headsets Contoured and relieved 6061 T6 aluminum for minimized weight and maximized strength Low friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts. Premium, sealed stainless steel Hellbender bearings Dual Seal crown race provides excellent seal efficiency with low friction Carbon friendly compression ring and Interlok