The Trailrunner 4x4 is just that

Fan mounting hole pattern: 24mm square

06 sec/60 @ 7

The lower the number of motor turns

Features: Completely reproduces the transformation into flight form

BlackZon - Metal CVD Front Driveshafts (2pcs) Electric Accessories Balance Adapters The Trailrunner 4x4 is justMetal Front Universal Drive Shaft Set for increased durability. Fits all versions of the Blackzon Slyder and Slyder Turbo. It is also recomended to upgrade the Diff Outdrives Cups when fitting these drive shafts: #540066 Metal Diff. Outdrive Cups (4pcs) Genuine BlackZon kit spare part for quick repairs, correct maintenance, and precise fitting.