- Adapter that enables you to make your steering tube longer whilst retaining the same stem system.
- BHP 20 is for 1" forks. BHP 21 is for 1 1/8" forks.
- Threaded and threadless headset compatible.
- Sandblasted black BBB RoundHead top cap included.
- Size: 28.6mm upper diameter (new stem mounting part) - 25.4mm lower diameter (bolts inside existing steerer)
Click and collect is available on all of our products. If it's on our website then we have it in our store!