Castle Creations Cobra 5, 8S, 33.6V ESC, 20A PEAK BEC w/2028-800KV
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Cobra 5 8S ESC + 2028-800Kv Sensored Motor Combo
The Castle Creations Cobra 5 is the successor to the legendary Mamba XLX2 — and it drops into the same footprint, so if you are upgrading from an XLX2 you are not re-cutting your chassis tray. What changed is everything underneath: 32-bit dual-core processing, a completely rebuilt current-sensing and thermal protection system, and CRYO-DRIVE thermal management that keeps temps down when the load stacks up. This combo pairs it with the Castle 4-pole, 12-slot sensored 2028-800Kv motor.
Why 800Kv?
800Kv is the torque end of the Cobra 5 range. It is built for heavy 1/5-scale iron — the Arrma Kraton 8S, Arrma Outcast 8S, Losi DBXL-E and HPI Baja 5B — where mass, not gearing, is the enemy. The payoff is a genuinely controllable low-end: you can creep, place the truck, and roll onto power without the cog-and-lurch that plagues high-Kv setups in heavy rigs, and you give up nothing at the top.
SmartSense and Real Tuning
SmartSense uses the motor sensors at startup for cog-free launches and true low-speed drivability, then hands off to Castle ultra-efficient sensorless mode once the motor is spinning — the best half of both worlds. The Castle Link V4 USB adapter is in the box, and Castle Link 2 software is a free download, so tuning, data logging and firmware updates cost you nothing. New this generation: separate brake and reverse curves, double the data-log sample frequency, ESC electrical timing data, and acceleration logging via an onboard accelerometer.
| Max Voltage | 33.6V (8S LiPo) | Motor | 2028-800Kv, 4-pole 12-slot sensored |
| BEC | 5.5V–8.5V adjustable in 0.1V steps, 20A peak | Modes | SmartSense & sensorless brushless |
| ESC Size | 101.2 × 63.3 × 59.5 mm | Weight | 13.2 oz (374 g) with wires |
| Cooling | 50mm temperature-controlled fan | Connectors | 8.0mm female bullets (motor) |
- 32-bit dual-core processing — faster, smoother motor control
- CRYO-DRIVE thermal management runs cooler under sustained load
- Rugged CNC aluminum case — waterproof and impact-resistant
- Upgraded current-sensing & thermal protection for high-load setups
- Drop-in Mamba XLX2 footprint — straight upgrade path
- Waterproof on/off switch; reversible (can be disabled for racing)
- Optional B-LINK 2 Bluetooth interface for phone tuning (sold separately)
Cobra 5 ESC · 2028-800Kv sensored motor · 300mm direct-connect sensor wire · Castle Link V4 USB adapter · Cobra decals · Quick Start Guide
Castle designed the Cobra 5 for 1/5 and 1/7-scale vehicles. It is not intended for drag racing or speed-run use, and Castle warranty does not cover use outside that intent — if drag or speed runs are your thing, the Ghost RC Cobra 5 ACE is the right tool. A battery connector is not included; use a high-current connector rated for your setup.
Why LockTech & Gear? We are an Authorized Castle Creations Dealer — every unit ships from US inventory with the full manufacturer warranty. 100% genuine hardware, no grey-market, no refurbished. Castle designs, builds and supports these in Olathe, Kansas.
