The Dirt Hero off-road balance bike is a scaled down enduro machine, designed specifically for MTB kids who want to take to the trails. Off-road pneumatic tires, 12-14" convertibility, mtb geometry and a rear hydraulic disc brake inspires confidence and progression in mini mountain bikers who want to get off the driveway and onto the dirt. - The Dirt Hero takes 12" and 14" wheel sizes - growing alongside your little shredder - Frame material: 6061-T6 aluminium - Head tube: Standard 1-1/8" semi integrated headset compatible - Seat post: Aluminum 6061-T6, 27.2mm - Fork: 6061-T6 aluminium - Bearings: NECO H125 - Color: Arctic storm white, matte *FRAME ONLY* Handlebar: KRS custom. 25.4mm clamp, 19mm handles, Up sweep 6 degrees, backsweep 8 degrees, length 450mm, rise 20mm Grips: KRS custom 19mm Stem: Forged 6061 T6 Aluminium, Rise: 0, Reach 30mm, Clamp: 25.4mm Headset: Semi integrated headset (sealed cartridge bearings) Sizing 12" Wheels Age: 2 - 3 years Minimum suggested inseam: 337mm / 13.3" Minimum saddle height: 317mm / 12.5" 14" Wheels Age: 3 - 5 years Minimum suggested inseam: 367mm / 14.4" Minimum saddle height: 346mm / 13.6"