Upgrades that replace Traxxas #7779

3 aftermarket parts sold as a replacement for Traxxas part #7779, 3 in stock now. Each card quotes the maker’s own fitment note; check it against your model before ordering.

SXRT93511R

Hot Racing XRT X Maxx SC HT Helical Diff Ring/Pinion Rear Gear, 35T/11T

$54.88In stock

“Replaces TRA 7779 and 7777” — Hot Racing’s description

Traxxas Pro Scale 2WD Sand CarTraxxas X-MaxxTraxxas X-Maxx 8STraxxas XRT 8S

SXRT93511F

Hot Racing TRA XRT X Maxx HT Helical Diff Ring/Pinion Front Gear, 35T/11T

$54.88In stock

“Replaces TRA 7779 and 7777” — Hot Racing’s description

Traxxas X-MaxxTraxxas X-Maxx 8STraxxas XRT 8S

SXMX9423TF

Hot Racing TRA X Maxx Steel Helical Diff Ring/Pinion Front Gear, 42T/13T

$48.88In stock

“Replaces TRA 7779 and 7777” — Hot Racing’s description

Traxxas X-MaxxTraxxas X-Maxx 8STraxxas XRT 8S

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