New BBB Cycling BHP-21 Extender Quill Steerer tube extension 1-1/8″ 2929612101
BBB Aheadstem Steerer Tube Extender silver 28.6 – 25.4mm
STEERER TUBE EXTENSION: Extender headset made for steel steerer tubes to position your handlebar higher. Sandblasted black BBB RoundHead included. THREADED AND THREADLESS COMPATIBLE: You can use the handlebar extender for threaded and threadless headsets.