Thomson X4 Stem MTB Headset 15x100mm returning to ZRO in just

returning to ZRO in just 3-5 years

Durable 6061 Aluminium construction

Do not use fabric softener

Cost effective repair or upgrade cassette

4mm Color Black Clamp Diameter 36

Thomson X4 Stem MTB Headset 15x100mm returning to ZRO in justOne 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 70 Bar Clamp Diameter 31.