One wheel, no limits. The Nimbus 24 Inch Oracle Mountain Unicycle boasts the baddest parts, meanest profile, and smoothest ride this side of the mountain. With built-in disc brakes and a fat tire designed to let you maneuver over any terrain, this high-level unicycle is designed from top to bottom to take your hobby to the next level. Saddle: Nimbus gel with front-lift handle and brake mount Seat post: 24.5mm x 300mm aluminum with 4-hole mounting bracket Seat post clamp: Nimbus orange double-bolt aluminum Frame: 24-inch Nimbus Oracle aluminum with 42mm maincap bearing housings and D-brake mount Hub/Axle: 36-hole Nimbus Disc ISIS with hardened CrMo splindle, 100mm center bearing to center bearing Rim: Nimbus Dominator 2 24-inch, 36-hole, 42mm wide: double-walled aluminum Rim strip: Rubber Tube size: 24 x 2.7-3.0 inches Tire: Duo Wildlife Leopard 24 x 3.0 inches Crank arms: Nimbus Venture 2 150mm ISIS-splined aluminum Pedals: Nimbus Venture black reinforced with removable steel pins Bearings: 22mm x 42mm Brake: Bengal Hydraulic Disc, 178mm rotor, 33-inch line Weight: 14.5 lbs. Assembly is required and can be done in 30 minutes or less with the following procedure:Cut seat post if desired, using a hack saw or pipe cutterInstall seat post onto framePlace wheel in unicycle frameAttach pedals to crank armsAbout Nimbus UnicyclesNo matter what type of unicycling you're into, Nimbus Unicycles has a wheel for you. Freestyle, touring, trials, MUNI, even giraffe- all Nimbus unicycles are built to the same high standard of quality that has made Nimbus one of the premier names in unicycling.