Thomson X4 Stem MTB Headset CheckoutSpec= 8x30 23mm OD Precision full-complement sealed cartridge bearings

Precision full-complement sealed cartridge bearings

occasional race bike—call it what you want

and makes the hat look great on

Large Platform Area with Ultra-Low Profile

Thomson X4 Stem MTB Headset CheckoutSpec= 8x30 23mm OD Precision full-complement sealed cartridge bearingsOne piece of solid 7000 series aluminum extruded billet precision machined by Thomson in Macon Georgia. Features a traditional steerer clamp that is shaped to save weight and to be knee friendly. Thomson stems are the strongest in the industry meaning enduro and downhill riders can run them confidently. Superior balance and combination of strength stiffness and weight TECH SPECS Type MTB Headtube Quill Diameter 1 1 8` Length 90 Bar Clamp Diameter 31.