ecaliber 24 8-speed Boy's is a rugged kids' bike built for young adventurers who love riding off the pavement and into the dirt. It has a sturdy yet light aluminum frame with a performance suspension fork and an 8-speed drivetrain perfect for racing home from school, zipping through the woods, and riding trails and paths with family.   Features: Alpha Aluminum frame: Trek’s lightweight, high-performance aluminum is durable and rustproof. Hand brakes: Confident stopping for youngsters who are ready to control their speed with their hands. Simple shifting: Fewer speeds keep it simple for kids who are just learning how to shift, or who don’t need those extra gears. Suspension forks: Front suspension absorbs the bumps of the road, path and trail, and looks cool while doing it.   Specifications: Frameset Frame: Alpha Silver aluminum, rack and kickstand mounts, replaceable derailleur hanger, 135x5mm QR Fork: Dialed suspension, 45mm travel Wheels Front hub: Alloy, 100 mm bolt-on Rear hub: Joytech alloy 8-speed, 135mm, nut attachment Rim: 24'' 32-hole alloy Spokes: 14 g stainless steel, black Tire: Bontrager XR1, wire bead, 27tpi, 24x2.25'' Drivetrain Shifter: Shimano Tourney RS45, 8-speed twist Rear derailleur: Shimano Tourney TX80 Crank: ProWheel alloy, 32T steel ring w/double guard, 152mm length Bottom bracket: Square taper, 68mm, sealed cartridge Cassette: SunRace MFM56l, 13-34, 8 speed Chain: KMC Z8.3 Pedal: Kids' Satellite, 9/16 thread Components Saddle: Kids' padded, integrated seat post, with handle Handlebar: Bontrager kids', alloy Grips Size: 24" wheel - Kid's grip, 92/125mm length Stem: Bontrager Approved alloy, 25.4 mm clamp, 15-degree rise, 60 mm Headset: Adjustable ball bearing, threadless Brake: Alloy linear-pull Brake lever: Kids', alloy Accessories Kickstand: Kickstand Weight Weight: 11.93 kg / 26.30 lbs Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 170 pounds (77 kg.