BBB Extender BHP-20/BHP-21 Adapter for Ahead Stems

Features: extends Ahead steerer tube by up to 75 mm optionally as version for 1" (BHP-20) or 1 1/8" (BHP-21) fork with threaded steerer on 1 1/8" Ahead stem Models: 1" :Version: BHP-20 Inner Diameter Steerer Tube: 22.2 mm Clamp: 1" Manufacturer Number: 292