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31.8 mm of durable control

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 31.8mm handlebar compatibility with your Knock Block system
  2. Also compatible with standard headsets and spacers
  3. Knock Block system protects 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

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Size 0 deg. x 50mm 0 deg. x 60mm 0 deg. x 80mm
Rise 0 deg. 0 deg. 0 deg.
Length 50 mm 60mm 80 mm
Steerer outer diameter 28.6 mm (1-1/8") 28.6 mm (1-1/8") 28.6 mm (1-1/8")
Clamp 31.8 mm 31.8 mm 31.8 mm
Type Knock block Knock block Knock block
Material Aluminium Aluminium Aluminium
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.

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