Wolf Tooth Components Semi-Internal IS52 Premium Upper& Lower Headset Black Weight-888g Compatible with the older (W)

Compatible with the older (W) wide ratio 5 speed hubs

Features non-slip 90° angled solid tips for fitting snap rings on shafts ranging from 3/4" to 2 23/64"

Re-Activ Performance Plush Foam is an open cell structured foam designed for maximum seated conformity with minimal weight penalty

Max: 120psi

Wolf Tooth Components Semi-Internal IS52 Premium Upper& Lower Headset Black Weight-888g Compatible with the older (W)Premium Wolf Tooth headset allows shift and brake housing to run internal below the stem Five layer weather sealing to keep internals clean include: Custom molded captive rubber seal at the cable entry ports, custom overmolded dual lip crown race seal interface with frame or EC44 cup, steer tube o ring seal, silicone dual lip bearing seals Enduro stainless bearings 7. 8mm upper stack Made in MN, USA Model Semi Internal Aero Headset S. H. I. S. IS52 40