TB 149cc Big Bore Kit, 55mm Forged Piston, & Cam – 2022+ Grom/Monkey12 Frame Heavy duty oversized wheels with

Heavy duty oversized wheels with extra clearance

As the piston travels up and down in the cylinder the excessive rise in pressure can cause resistance for the piston travel and in return

These are high quality parts and the increased power from the Race Head V2 will not disappoint

Honda Z50 modified with our Plus 3 extended swing arm (with our taller front suspension kit or a similar setup)

TB 149cc Big Bore Kit, 55mm Forged Piston, & Cam – 2022+ Grom/Monkey12 Frame Heavy duty oversized wheels withTB 149cc Big Bore Kit, 55mm Forged Piston, & Cam 2022+ Grom Monkey12 TBparts 149cc big bore kit for the 2022+ Honda Grom Monkey 125. This will make your motorcycle a lot more fun to ride by adding some much needed power. With the larger bore, this bolt on upgrade kit will give you more power and higher compression for a very reasonable price. This kit does not require boring of the case simply bolt on, tune (Not included) and go!! This is an ideal