Because of variances in the surfaces of treated lumber

herunder acceleration

and high-spec hubs and uprights keep the tires pointed exactly where you want them

The industry standard 17mm hex fitting adds strength for extreme action and allows easy maintenance plus a wide range of tuning options

PN Racing Mini-z 2WD Machine Cut Delrin 126P Pinion 18T Outcast Because of variances in theDescription 126 Pitch Ultra Fine Pitch Gear High Pitch Gears Results in a Very Smooth Running Mesh Maximum Power Transfer Small Tooth to Tooth Sliding Friction Precision Machined Gear Wide Range of Available Gears 19 to 28T Pinion in 1T Increment and 106,109&112T Spur Gear Close Ratio Gearing Very Small Steps Between Ratios No Compromise Due to Missing In Between Ratios when Using Coarse Gears. Recommended for Advance Racers Note: Extra Care Required