Thomson X4 Stem MTB Headset Product Type_Tubeless Sealants Stretch elastic band on back

Stretch elastic band on back for fit and style

Tool screws through lever pivot to remove cover plates and hollow pivot bolt

Steerer Type TaperedLockout Switch NoneBrake Type Post Mount 180Negative Spring AirTravel (mm) 150Offset 44Axle to Crown Length 561Front Axle 15mm Thru x 110mmMaximum Tire Width 81S

12-sided star shaped lower section prevents any side-to-side play or rotation

Thomson X4 Stem MTB Headset Product Type_Tubeless Sealants Stretch elastic band on backOne 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 110 Bar Clamp Diameter 31.