RRP1815, Hard Blackened Steel Mini Pinion 2mm, .5 Mod 15T VendorRobinson Racing Product form $5.99 Quantity Out of stock You might also need... SKU: RRP1815 Barcode: 719696018151 Brand: Robinson Racing | ARRMA Parts & Accessories Product Tags 40T ARRMA Arrma Infraction ARRMA R/C Vehicle Differential Gear R/C Robinson Racing