The Forge Cycleworks

Bontrager Rhythm Comp Knock Block Stem 50mm x 0° for 31.8mm Bars - Black

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£19.99 GBP

Estimated Delivery between Fri 21-March and Tue 25-March

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Run your favourite 31.8 mm clamping diameter handlebar on a bike with Knock Block with the Rhythm Comp 31.8. It adds Knock Block compatibility to a durable stem with multiple lengths to let you fine-tune the fit to your ride.


Product details

  1. Get 31.8 mm handlebar compatibility with your Knock Block system
  2. Also compatible with standard headsets and spacers
  3. The Knock Block system protects the frame from impacts by fork and handlebars by eliminating over-rotation of bars
  4. Available in a wide range of sizes for today's mountain rider
  5. See Service Parts for other Knock Block parts
SKU:W527239
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