Each a-arm is 1

The RPM version has a larger front radius to help ease transitions up and over tall obstacles

each with its own performance characteristics suited to different tracks and setups

The Flux EMH-3S is extremely adjustable

Rage R/C - Black Marlin EX Brushless RTR Boat TAM47500 Each a-arm is 1Like its predecessor, the Rage RC Black Marlin EX BL will have you racing across your local pond or lake with brushless power in no time. The impressive speed is generated by the installed powerful brushless 2600KV motor in combination with a 30A Water Cooled ESC with reverse and the included 3S 2200mAh LiPo battery pack. Equipped with a 17 gram waterproof servo and pre installed stainless steel trim tabs and turn fins, the EX BL comes out of the box