-Belt-type 4WD system delivers excellent drive efficiency and stability

cuts out about 10gr and allows greater gearing selection for speed runs and dragster set ups

When hand-launching is a better option for conditions

Fine-tune your Reedy Sonic 540-M4 motor for varying track conditions and applications with an optional rotor

Standard size performance in a low profile package

Kyosho - Ball Diff 40 Tooth, for FZ02 TC Apparel Hats -Belt-type 4WD system delivers excellentBall differentials for the Fazer Mk2. Lighter(30g) than the stock gear diffs and also the plastic gears have less noise. Ball diffs have smoother cornering and more stable acceleration feel. Requires 2pcs for 1 chassis. Includes ball diff grease and Molybden grease.