Wolf Tooth Premium Headset - EC49/40 Lower Green MFPN=00167 Unique heat safe cylinder packaging

Unique heat safe cylinder packaging offers an easy way for first time wax users or those without a dedicated wax melter to just use a hot water bath to melt the wax and treat their own chains

Dual ply casing Flat Protection Tread Color Black Defined Color Black ISO Width (mm) 44 ISO Diameter 406 / 20" BMX Tire Intended Use BMX Tire Diameter 20" Tire Bead Wire Labeled Size 20 x 1

57mm spindle length

Air can diameter on Gen 2 is also reduced by 6mm from 57mm to 51mm

Wolf Tooth Premium Headset - EC49/40 Lower Green MFPN=00167 Unique heat safe cylinder packagingWolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high pressure waterproof lubricant. A pair of dual lip seals ride in micro grooves to keep out water and debris. Stainless Steel Bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat