Hop-Up Options no.2046 XV-02/TT-02 Ball Differential Set (39T) Item No: 22046 ★Used in place of the kit standard gear differential, this product is particularly useful on the rear, giving stable grip. ★Holes for the 3mm balls are designed to help keep them well greased. ★Contains 39T ring gear, bevel pinion gears, diff joints, balls, plus 850 and 1280 size ball bearings. ★The image at right shows an assembled example. Compatible ChassisTT-02*1, TT-02D*1, TT-02 Type-S*1 &…