Spawn Cycles pairs a lightweight 6061-T6 alloy frame with a slim 4130 Chromoly fork on the Yoji 16" Bike, keeping handling easy for smaller riders. The 102mm 3-piece alloy cranks and real cassette hub give a big upgrade in pedaling feel, while adjustable cockpit parts like the 40mm forged stem and spacers help it grow alongside your rider. Key Features Wheel Size: 16" Tire Size: 16 x 1.9" Crank Length: 102mm Handlebar Width: 520mm Stem Length: 40mm Frame & Fork: 6061-T6 alloy frame with 4130 Chromoly fork Drivetrain: 24T alloy chainwheel with KMC chain and cassette hub with Shimano-compatible cog Braking System: Tektro mini V-brake with Tektro mini levers sized for small hands Adjustable Fit: Flippable stem and headset spacers allow cockpit height adjustment as kids grow Construction: Sealed cartridge bearings throughout with alloy hubs and single wall rims Tires: Spawn Cycles Loam Star tires with puncture protection