Redcat Racing Front/Rear Dogbones, 2-Piece, 133mm Front/Rear Dogbones, 133mm (2pcs); Used with all: Rampage MT, Rampage TT and Rampage Dune runner models RC Car Parts : 50034 Genuine Redcat Racing Parts For troubleshooting and warranty information please contact a Redcat Racing Customer Service Specialist at 602-454-6445 or by emailing amazonsupport@redcatracing.com NOTE: Please read the User Manual before use.