ITEM NAME:5pcs Metal Front Rear Differential Spur Gears Kit for HSP HPI Redcat 1:10 RC Car img *{margin:0;padding:0;.Suitable for HSP, Redcat, HPI 1/10 rc car. 64T main gear and 17T 21T 26T 29T motor gears combo. Material: 11184 Steel. Size Chart 1 Piece 21T Gear. 1 Piece 17T Gear.
