1-1/8" - 1.5" Headset (EC34/28.6 Upper and EC44/40 Lower)

SPECIFICATIONS Headset material 7075 Aluminum Crown race material Stainless steel (heat-treated) Upper stack height 15.5 mm Lower stack height 13.75 mm Bearing availability 45/45 (Standard) Headset weight 174 grams Rider and bike weight limit 280 lbs / 127 kgs Materials  All of our manufactured items are machined out of US-produced materials.  INSTRUCTIONS  1-1/8” Headset Care Instructions (pdf) 1-1/8” – 1.5” Headset Care Instructions (pdf)