OVERVIEW: Add some heavy duty strength to your Arrma 1/8 Kraton 6S BLX by upgrading your stock pinion gear with our Billet Machined Pinion Gears. Sold individually, the pinion gears are precision machined for excellent gear mesh. Available in MOD1 pitch, the Billet Machined Pinion Gears are available in six different colors and in 16t-19t sizes. Item Number C28749BLUE Barcode: 91789035289 Item number C28749BLUE is a compatible upgrade part for Arrma AR310477 ARA106040T1 ARA106040T2 ARA106044T1 ARA106044T2 ARA106042T1 ARA106042T2 ARA106048 ARA106046 AR106034 AR106036 AR106029 AR106031 AR106032 AR106033 AR102673 AR106030 AR106028 AR106015 AR106018 AR106021 AR106027 AR102654 AR106014 AR106013 AR106005 AR106007 AR106003 AR106001