JRA Lark20 rim


The Lark20 is a 20mm wide (25mm external width) rim with matt sandblasted finish and machined braking surface used on our road wheelsets. Designed for strength, light weight and reliability with 23mm deep semi-aero profile. Suitable for road or cyclocross. The 10mm deep brake track allows for easy brake setup, while the high quality machining process leaves a smooth surface for consistent braking.

  • 20 hole
  • 24 hole
  • 24 hole 2:1
  • 27 hole 2:1
  • 28 hole
  • 32 hole
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Our Lark20 rims are:

  • easy to set-up tubeless
  • welded seamless join
  • matt finish
  • wide internal width
  • easy to set up brakes
  • light: 470g

These rims are etched with the Lark design.

Tubeless compatibility
All JRA rims are tubeless compatible using suitable rim tape, and can also be used with standard clincher tyres. The rims feature a small bead hook for improved tyre retention, and are designed with an internal profile which makes tubeless setup easy.

Additional information

Weight 478 g
hole count

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braking options

rim brake

drilling type


internal rim width


wheel size