Description
[Parts useful for improving machine performance and settings]
Regular replacement is the key to maintaining high performance, as it is the key to power transmission.
As a spare gear for Nitro Thunder, etc., or when combined with small diameter tires, it will be a setting that emphasizes acceleration.
[Specs]
Gear ratio 4:1 Set includes gear (blue) x 2, gear (orange) x 2, shaft x 2, etc.
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