The fantastic Nimbus II unicycle frame is great for trials or freestyle unicycling. Will fit tires up to 20x2.5". This frame fits a 25.4mm seatpost.
Length of seat tube: 250mm
Material: Nimbus tubular steel
Inside diameter seat tube: 25.4mm (seat post diameter)
Outside diameter seat tube: 28.6mm (clamp inside diameter)
Diameter Bearing holder: 42mm (bearing outside diameter)
Bearing pitch: 100mm (center bearing to center bearing)
Weight: 740g (incl. bearing holders and bolts)
Max Tire Size: 2.5"
Comes with: bearing housing, screws, and double bolt seat clamp