Marin Bayview Trail 20´´ Mtb Bike. Well-considered spec choices on the Marin Bayview Trail bikes are perfect for junior riders. With our lightweight series 1 aluminum frame, durable Shimano drivetrain and kid specific short reach brake levers operating powerful disc brakes, this ensures the Bayview 20 is designed to get kids hooked on riding from a young age. The Fun graphics and quality components on the Bayview Trail 20 will last for many years of neighborhood and bike park razzing. Specifications:- Fork: Steel Rigid Fork, 100mm Spacing, QR Lever- Frame: Series 1 6061 Aluminum, 20 Wheels, IS Seatstay Disc Mounts, 135mm Dropouts- Rim: Marin, Double Wall Alloy- Hub Rear: Forged Aluminum Alloy, 32H- Hub Front: Forged Aluminum Alloy, 32H- Spokes: 14g Stainless Steel- Tires: Multi Surface, 20x2.125- Derailleur Rear: Shimano Altus, 7-Speed- Shift Lever: Shimano Revo Twist 1x7-Speed- Crankset: Forged Alloy, 30T, 115mm, Ring Guard- Bottom Bracket: Sealed Cartridge Bearings, Square Taper- Chain: KMC Z8- Cassette: Shimano CSHG200, 7-Speed, 12-32T- Brakes Front: Tektro MDM280 Mechanical Disc, 160mm Rotor- Brakes Rear: Tektro MDM280 Mechanical Disc, 160mm Rotor- Brake Levers: Kids Specific Short Reach Alloy Lever- Handlebar: Marin Riser, 30mm Rise, 580mm Width- Stem: Marin Alloy, 40mm- Grips: Marin Dual Density- Headset: FSA No. 10P- Seatpost: Marin Alloy, 27.2mm- Saddle: Marin Kids MTB- Pedals: Kids Specific Nylon Pedal. tradeinn Bikeinn