This is the Machine Cut Diff, Ring Gear 42T (1pc) For the Team Durango 1/10 Electric 4WD Off Road Buggies and Short Course Truck FEATURES: This gear is precision machine cut from high strength steel. The gear adds strength and at the same time reduces the rotating mass of the transmission. The gear is 1.2g lighter than the standard gear, giving a 10% reduction in the weight of the component. INCLUDES: One ring gear COMMENTS: This is an optional part for DEX410 1/10 Electric 4WD Off Road Buggy DEX410R 1/10 Electric 4WD Off Road Buggy DESC410R 1/10 Electric 4WD Short Course Truck (TDRC0130) DEX410v3 1/10 Electric 4WD Off Road Buggy (TDRC0120) DEX410Rv3 1/10 Electric 4WD Off Road Buggy 5/16/12 pjw ir/jxs