Radio Istari Crank


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When it came to designing a crank set Radio played with a bunch of crazy ideas, but they always came back to the simplistic and foolproof design that the Istari Crank later became. The larger 22mm spindle keeps these things stiff, whilst the heat-treated arms means you won't be bending these things any time soon. Now available in a shorter 170mm size for all you 4 peggers out there...


  • Crankarms: Seamless 4130 crmo tubing, liquid post heat-treated
  • Spindle: 22mm, 4130 butted crmo spindle
  • Bearing Set: Comes without BB set
  • Length: 170mm or 175mm
  • Special: 2.5pc crank design, lightweight butted spindle, extra strong spindle boss design, one of the lightest cranks available today 
  • Weight: 829g (29.24oz : 1.82lb)