Associated Electronics 91520 Rear Ballstud Mount B5M Blue in color Composed of aluminum Compatible with the RC10B5M and the RC10SC5M team kit. FEATURES: Aluminum construction, blue in color 4mm height difference, may be flipped over for different ballstud height options INCLUDES: Factory Team Rear Ballstud Mount jxs 04/09/14 ir/jxs INCLUDES: Factory Team Rear Ballstud Mount jxs 04/09/14 ir/jxs