Thomson X4 Stem MTB Headset MFPN=102507100 Anodized aluminum construction with soft

Anodized aluminum construction with soft rubber straps

as well as a bonded seam on the back to help further with aerodynamics

} 3D forged one piece shaft and clamp base with robust cradle and top clamp

This follows the same profile as the original B-RAD Roll-Top Bag

Step Cast (SC) legs with narrow stance and stepped design to save weight

Thomson X4 Stem MTB Headset MFPN=102507100 Anodized aluminum construction with softOne 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.