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.



Our Lark20 rims are:

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


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.