Features: Saddle: Hoppley saddle (blue) Seat post: Club 25.4mm x 200mm chromed steel or aluminum with a welded rectangular mounting bracket, 4 hole Seat post clamp: Nimbus (silver) quick release, aluminum Frame: Trainer round crown 16″ (black) steel with 40mm stamped maincap bearing housings Hub/axle: UDC cotterless (black) 28H, hardened splindle,100 mm center bearing to center bearing Spokes: 14G. stainless chrome (128mm in length for 2X) with silver nipples Rim: United 16″ (chrome) 28H, 32mm wide, singlewall, steel Rim strip: Rubber Tube size: 16″ x 1.75″ Tire: Innova 16″ x 1.75″ Crank arms: United (chrome) 102mm, cotterless, steel Pedals: United, 9/16″ threads, plastic Bearings: 17mm x 40mm Approx. cycle weight: 9.5 lbs.