Enduro 1-1/8" 36°/45° ACB Stainless Headset Bearing 172.5mm and spacers for precise chain

and spacers for precise chain line tuning

axial face seals

and an anti-puncture belt—light enough for long rides

with Grade 10 balls and full-contact

Enduro 1-1/8" 36°/45° ACB Stainless Headset Bearing 172.5mm and spacers for precise chainThe ACB 3645 3344 SS is a 1 1 8" angular contact headset bearing measuring 33mm x 44mm x 6mm with a 36x45 degree angle. It is engineered with 440C stainless steel balls and races to provide superior corrosion protection in environments where moisture, sweat, and electrolyte drinks are a constant factor. High Carbon 440C Stainless Steel: Enduro utilizes 440C stainless steel, the highest strength and hardness alloy of the 440 series. The balls and races