Great for all-around use by learners and intermediate riders, the Trainer 24 inch Beginner Unicycle - Chrome is the perfect standard choice for all types of rides. A durable steel 24-inch frame pairs with a wide flanged CrMo hub for extra-strength... in other words, it stands up to the beating that beginning riders can sometimes give their cycles! 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 cutter Install seat post onto frame Place wheel in unicycle frame Attach pedals to crank arms Specifications Classic silver-tone and black saddle 25.4mm x 200mm chromed steel or aluminum seat post with 4-hole rectangular mounting bracket Seat post clamps in place with aluminum Quick Release clamp Chrome 24-inch Round crown steel frame with 40mm stamped maincap bearing housings 36-hole steel hub with cotterless chromoly spindle; 100mm measurement from center bearing to center bearing 14G. Stainless Chrome wheel spokes Single-wall steel rim Rubber rim strip 24'' x 1.75'' tube size 24'' x 1.75'' standard tire Black aluminum crank arms Plastic pedals with 9/16 threads Approximate cycle weight: 15 lbs. Chrome round crown steel frame. Black aluminum crank arms. Classic silver and black saddle. 25.4m x 200mm chromed steel or aluminum 4-hole seat post. 36-hole steel hub w/ cotterless CrMo spindle.