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BBB Steerer Tube Extender / Quill Stem Converter 28.6-25.4mm [BHP-21]

£16.99

3 in stock

  • 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)