HPI HPI86999 39T Ball Differential Bevel Gear big-rock-3s-parts Built for the most punishing

Built for the most punishing terrain and hardcore bashing sessions — this is the standoff kit your Arrma 6S deserves

Designed for Kato N scale station platforms

Install this gear to replace a worn

6061-T6 Aluminum alloy material and CNC processed。

supplied with a stainless steel ball bearing

HPI HPI86999 39T Ball Differential Bevel Gear big-rock-3s-parts Built for the most punishingHPI HPI86999 39T Ball Differential Bevel Gear Genuine HPI Racing 39 tooth ball differential bevel gear. This gear is the heart of the ball diff, transferring drive smoothly while allowing the wheels to rotate at different speeds through corners. Fit a fresh gear during a diff rebuild to restore smooth, consistent action and dependable power delivery. Installs exactly like the original. Genuine HPI Racing part #86999 Ball differential bevel gear 39