Cobra 5 HV - sensored
The COBRA 5 HV is the apex predator of Castle power—12S capable and no mercy. Don’t just run it. Own it. With 50.4V support (12S LiPo) this ESC is built to tame up to 1:4 scale monsters weighing up to 50 lbs. Also available in the GHOST RC COBRA 5 HV ACE (Pro version with unlocked tuning and no warranty).
Cobra 5 - sensored
The third release of the Cobra series comes in the largest package to date. Rated up to 8s LiPo (33.6v) max, the Cobra 5 is designed for 1/5th scale vehicles weight up to 45lbs. It is offered in a combo with three different Castle 4-POLE 12-SLOT motor options.
Mamba XLX2 - sensored
The Mamba XLX2, an ESC that redefined the limits of 1/5th scale R/C! Engineered from the ground up, the Mamba XLX2 is packed with a potent combination of hardware and software advancements, sensored performance, CRYO-DRIVE™ and waterproof design that will set a new standard for high performance power systems.
20 Series Brushless Sensored Motors
The Castle 2028-800KV and 1100KV are a 4-POLE 12-SLOT design that boasts exceptional EFFICIENCY and produces LESS HEAT. If you need LARGE-SCALE POWER for LARGE-SCALE VEHICLES the new BRUSHLESS SENSORED 2028-800KV motor will no doubt hold up to the heavy throttle and extended usage that 1/5th scale vehicles like the Losi 5IVE-T, 5IVE-B or DBXL-E encounter. It is the perfect upgrade for any 1/5 scale RC hobby vehicles (including gas to electric conversions) weighing up to 30 lbs for 2WD and 25 lbs. for 4WD. The 2028 Extreme can easily run in the 10 horsepower range*
*Burst power output for durations typical of vehicle acceleration
25 Series Brushless Sensored Motors
When we say OVERPOWERING, we mean it.
The Castle 25 SERIES (520KV and 680KV) isn’t just a step up — it’s the biggest, baddest motors we’ve ever built in our 28+ year history, and they are a perfect upgrade for any 1:5 and 1:4 scale RC hobby vehicles (including gas to electric conversions) weighing up to 50 lbs. The 25 Series features our new V3 motor design, including a larger rear bearing, direct to bullet winding connections, smooth can exterior making water cooling a breeze, and a stainless-steel sleeve rotor. Running modes include Sensored and an ULTRA-EFFICIENT sensorless mode.