These aluminium hex adapters are an RC tuning accessory that modify wheel track and clearance for compatible 1/8-1/10 platforms. The adapter raises the hex centre to 18.5mm from bottom to top, increasing the offset between the wheel mounting face and the axle reference versus many stock hexes.
Construction notes from the supplier show three tightening holes and an extended length to suit common axle and pin layouts, allowing you to widen the wheelbase without compromising wheel retention. The part is meant for tuning and fitment adjustments on models that accept the hole pattern or the supplied screw sizes.
Fit differences quoted by the source are: relative to Thunder Tiger K-Rock G5 the adapter is +6.5mm over the original 12mm hex; relative to Team Magic E6III it is +3.5mm over the original 15mm; and relative to ARRMA NERO / FAZON it is +13mm over the original 5.5mm.
Fit these adapters when you need extra track or steering clearance for rock crawling profiles; always confirm the adapter hole pattern and hex height match your axle before installation.
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