ARRMA Steel Diff Outdrive (2): EXB Cutters Overall the Blackbird tires give

Overall the Blackbird tires give you the traction you need in the majority of track conditions

it's small enough to take along anywhere

(3) Different Rate Springs Set

Bearing size: D8*D3*T4

ARRMA Steel Diff Outdrive (2): EXB Cutters Overall the Blackbird tires giveThese Steel Diff Outdrives are the perfect replacement part for your ARRMA vehicle Features Manufactured from tough steel for long lasting durability Precision machined for accurate fit to ensure a smooth and leak free diff action Supplied as a pair To be used with 29mm diff cases Includes 2 x Steel Diff Outdrive Requires To be used with 29mm diff case (#ARA310983 or #ARA311061)