Lightweight stem made from 6061 T6 alloy stem which is forged using 3D technology. super secure 4 bolt front clamp. For OVERSIZE 31.8mm Handlebars. PRO LT Adjustable Stem Alloy 31.8mm -30/+40deg. BBB Extender Steering Tube Adapter 28.6 - 25.4mm BHP-21 - Silver.
