19mm Mini Bar Riser Kits increase bar height with the smaller diameter Mini Bar, giving your taller kiddo a more comfortable riding position and a better grip on the bars. This kit is compatible with 12eDRIVE, 16eDRIVE and 16eDRIVE ELITE bikes that are already equipped with the 19mm handlebar/throttle assembly (click here for help identifying your throttle assembly). - Increases bar height by 2.4" on 12eDRIVE & 16eDRIVE, giving taller kiddos a more comfortable riding position- 19mm Mini Bar provides 28% smaller grip diameter compared to the original STACYC grips and allows little rippers to fully grasp the handlebar with more comfort and control- Handlebar dimensions : 584mm width, 105mm height, 24mm sweep, 22.5mm clamp diameter KIT INCLUDES:- STACYC Branded 4" Tall Mini Bar- Stem and head tube spacer- Longer Brake Cable to accommodate height (12eDRIVE & 16eDRIVE only)Remember, max weight on a STACYC 12eDRIVE and 16eDRIVE is 75lbs and 115lbs for the 16eDRIVE ELITE, these kits are not intended to create pit bikes for big kids or adults.