The BBB Extender Steering Tube Adapter is designed to extend a bike’s steering tube without impacting the existing headset system. It allows you to raise the handlebar or fit an ahead-style stem to a bike that originally used a quill stem.
Key Features and Compatibility
- Function: This adapter extends the steering tube, offering flexibility in handlebar height adjustment.
- Compatibility: It works with both threaded and threadless headsets.
- Limitations: The BBB Ahead-Adapter BHP-20 and BHP-21 Extenders are not recommended for mountain bikes or technical terrain. They should also not be used with forks that have carbon fiber steerer tubes.
- Sizes: Available in different sizes, such as 28.6 – 25.4mm.
Installation and Use
- The adapter can be used to replace an old-style quill stem, allowing the use of a more modern ahead stem.
- Some users have found that lightly sanding the bottom part that grips inside the fork tube can improve the fit.
- When properly installed, it should provide a secure and stable connection without slippage
