AR310904 + AR310905 + AR310906 Wheel hex conversion
ARRMA 17mm Wheel Hex Conversion Components
Compatible with: ARRMA Big Rock 3S V3 (ARA4312V3)
What it replaces
Conversion. No specific OEM part number is listed in the source.
Why it fits
These three components appear together at each corner in the Big Rock V3 exploded view; retailer describes them as the parts needed for a 17mm conversion and names Big Rock, Granite, Senton and Typhon. Source also lists: Granite 3S; Senton 3S; Typhon 3S.
Confidence: High
Source explicitly names this model or the replaced part.
Important fitment notes
Four corners require two packs of two hexes and axles plus one four-nut pack; verify desired wheel offset. Supporting parts: AR310904 hexes, AR310905 axles, AR310906 nuts; quantities for four corners.
Vehicle scope in source
ARRMA Big Rock 4X4 V3 3S BLX (ARA4312V3) only. V3 evidence; not V4/223S.
Only models named here by the source are covered. We don't extend fitment to other models or revisions.
Where to buy
Price not captured
Last seen status: Mixed stock by component
Price and availability may have changed.
Verification source
hobbyfactory.fiLast verified Sep 28, 2026 · Seed verified
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