The 6KU Iris single speed/fixed gear bike designed accross the pond in California.  6KU are passionate with all things that propel our lives. Blending tried and tested technologies with elegant designs, 6KU is the number one best selling urban bicycle. The Iris is a reliable, comfortable, good looking and great value for money bike, ready for city life.


Comes with your choice of black or white rims, please specify your preference at check-out.

6KU Iris Single Speed/Fixed Gear

  • • High tensile steel fully tig-welded frame
    • 1-1/8’’ high tensile steel fork
    • Supplied with front & rear brake
    • 30mm Deep V alloy rims
    • 32H Quando hubs 
    • Neco threadless 1-1/8’’ headset
    • Alloy riser bar with 25.4mm clamp
    • 46T*165mm cranks
    • 46/16 gear ratio
    • Radius forged alloy brake
    • Neco sealed 68x103mm bb (English)
    • 700 x 25c Kenda tyres
    • BMX platform pedals
    • 25.4mm alloy seat post
    • Synthetic leather saddle
    • 18-22 lbs