1-1/8" - 1.5" Headset (ZS44/28.6 UPPER and EC44/40 LOWER)

SPECIFICATIONS Headset material 7075 Aluminum Crown race material Stainless steel (heat-treated) Upper stack height 8.25 mm Lower stack height 13.75 mm Bearing availability 45/45 (Standard) Headset weight 156 grams Rider and bike weight limit 280 lbs / 127 kgs Materials  All of our manufactured items are machined out of US-produced materials.  Please note: Each of our 1-1/8" - 1.5" headsets comes with a color matching 5 mm transition headset spacer. INSTRUCTIONS 1-1/8” – 1.5” Headset Care Instructions (pdf)