Thomson X4 Stem MTB Headset MFPN=20018 The Dominion four-piston hydraulic disc

The Dominion four-piston hydraulic disc brake has been developed for the rigors of DH and enduro riding provide

30mm installed diameter creates a low profile for more sensitive bike handling

The Tinker Juarez Signature Dread Lock Grips offer the padding and control needed for longer rides

Easy access bleed port makes maintenance a simpler task

The lightest suspension fork FOX has ever built

Thomson X4 Stem MTB Headset MFPN=20018 The Dominion four-piston hydraulic discOne 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 120 Bar Clamp Diameter 31.