Arrma Boost 4X4 Transmission Upgrade Set
Features Arrma offers a complete Boost lineup of RTR trucks to suit the needs of beginning RC enthusiasts. All current Boost models are two-wheel-drive, trimmed-down versions of their existing 4x4 siblings. This is excellent, as it keeps prices down for enthusiasts just getting into the hobby, and when they find themselves wanting to upgrade to the high traction of 4x4, they can do so easily with this 4x4 Transmission Upgrade Set. The 4x4 upgrade set...
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