Description

Tune your car or truck for maximum top speed or faster acceleration with a new spur gear. A smaller spur gear gives you more top speed but slower acceleration and less runtime. You’ll see faster acceleration and longer run time, but less top speed, with a larger spur gear.

These spur gears are reinforced with carbon fibre threads for greatly improved durability in all conditions. Will NOT work with 64DP pinion gears, must be used with 48DP pinions.

HPI Box 8

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