Ride a little more highhandedly. Aluminum riser bars have a 25.4mm bar clamp diameter and 19mm diameter bar ends. Both bars will fit the stem, brake levers and grips on a Gecko, Hedgehog or Owl.
500mm wide, 50mm rise - Gecko, Hedgehog
520mm wide, 35mm rise - Hedgehog, Owl 1 Speed, Owl 3 Speed
Color - Matte black