SMALLER DIAMETER. BETTER GRIP. KTM, GASGAS, Husqvarna models, and OEM STACYC riser bar kits use a 22.2mm top load stem. This kit will ONLY FIT those stems. All other models use a front load stem and are 25.4mm. This kit will not fit! The STACYC 19mm Handlebar Conversion Kit is purpose-built to give your little ripper better grip and more control. The kit upgrades 12eDRIVE and 16eDRIVE bikes to the 19mm diameter MINI BAR with a 28% smaller grip diameter. By reducing the grip diameter, kids can fully grasp the handlebar the same way an adult rider grasps a traditional-size handlebar. Better grip, more control, and increased confidence. - 28% smaller grip diameter allows kids to fully grasp the handlebar, providing more comfort and control- Smaller diameter offers a better hold on the handlebar while operating the brake- Complete Kit mounts in your 22.2mm stem (22.2mm clamp diameter stems are any stem installed with a bar riser kit, or all silver, cyan/blue or orange anodized stems) on 12eDRIVE and 16eDRIVE models- Kit includes 19mm handlebar, throttle assembly with wire, grips, bar plugs, shim for brake perch- Updated throttle assembly modeled after the 18eDRIVE and 20eDRIVE with on/off button and LED indicator lights Handlebar Dimensions:- 560mm width- 45mm height- 21mm sweep- 22.2mm (7/8 in.) clamp diameter