SR-4 4x4 Demon

Plastic Transfer Case Housing:

Hex Hub (4): SG4 SR4

Drive Pin (4): SG4 SR4

Cross Steering Servo

540-M4 Ball Bearing Set

11.4V 3600mAh 3S1P 60C Lipo: Deans And XT60

11.v 4300 mAh 3S 60C LiPo: XT60

11.1v 5300mah 3s 60c LiPo: Ec5

450mAh 4S 14.8V 30C LiPo Battery; IC2

1S 3.7V 800mAh 30C Li-Po Battery; JST-RCY

5000mAh 2S 7.4V 100C Smart LiPo Hardcase; IC3

Onyx Adapter Female Star Plug to Male Xt90

Reedy 7-in-1 Charge Lead (4mm)

Charge Adapter: Banana to Xt90 Male

XT60 Version Futaba Receiver Charge Lead

LiPo Voltage Checker and Equalizer

Assorted Color Heat Shrink Tubing Battery wire (18 -10G)

4mm Assorted Color Heat Shrink Tubing Battery wire (18 -12G)

6mm Assorted Color Heat Shrink Tubing Battery wire (16 -10G)

Heat Shrinkwrap 3/16 inch White

3/16 inch Heat Shrink Tubing Set 8 pc

Li-Po Charge Protection Bag Small

Small Peak LiPo Saftey Sack

EC3 Device & Battery Connector

Reedy Connectors 4.0mm 30 Male

4mm Polarized Bullet Connector Set

M0001 4mm Bullet Connector 16g/13g 75a (3)

EC3 Device Connector 2

Jst Male Connector with Lead 20 Gauge (2)

Hobbico Star Plug Female (2)

Bec Connector Male

Foam Tape Strip 25x60mm

Silicone Wire 680 Strand12 G 1 m (3Ft 4in)

Silicone Wire 400 Strand 14 G 2 M (6ft 8in)

Silicone Wire 252 Strand 16G 2 M (6ft 8in)

Silicone Wire 150 Strand 18 G 2 M (6ft 8in)

Silicone Wire 100 Strand 20 G 2 M (6ft 8in)

Silicone Wire 40 Strand 24g 2 M (6ft 8in)

Silicone Wire 16 Strand 28g 2 M (6ft 8in)

Bl Motor Wireset 4mm Bulletconn Female Bl/Yel/Org

Acdc-10a 1s-6s 80w 10a Multi-Chemistry Balancing Charger

Sky RC B6 Neo DC Charger - Black

Reedy 324-S Compact Balance Charger

Prophet Sport Mini 50w Multichemistry Charger

LI-Pocket Lipo Charger 1-4 Cell Auto

Lithium Charge Converter

Rock1 Performance 12.3 Pre-Cut Rock Crawler Body (Clear) (313mm)

Rock1 Performance 12.3 Pre-Cut Rock Crawler Body (Cab-Only) (Cle

Vanquish VS4-10 Phoenix Rock1 Full Pre-Cut Body Set (Clear) (313

Creeper Cab Only Fits TRA TRX-4 Sport / Enduro / Axial 12.3

The Gozer 12.3 Wheelbase Body Fits TRA TRX-4 Sport / Endur

Montech Patrol Body 313/315mm Clear

Comp Wagon CabOnly ClrBdy 12.3WB Crwlrs

2021 F0RD Bron 4 Door Rock Crawler Pre-Trimmed Body (Clear) (1

1989 F0RD Bron Monster Truck Body Fits 7 Width & 10.5 Wheelba

Power Master 12.3 Wheelbase Body Only Clear

1961 Corvair L:Akewood 12.3 Wheelbase Fits TRA TRX-4 Sport Clear

J33P Gladiator 1/10 Rock Crawler Hard Body Kit (White)

Montech D-POWER Scaler Body 0.75mm

Montech D-Power Scaler Body 1.0mm

1966 Chevy C-10 Clear Body :Trail Honcho 12.3

1978 Chevy K-10 for 12.3 WB Scale Crawlers Clear

1/10 Cliffhanger HP Stone Gray Body 12.3 Crawler

1/10 2015 T0Y0TA Tacoma TRD Pro Clear Body 12.3 WB

1/10 2021 F0RD Bron Clear Body Set 12.3 : Crawlers

Strikeforce Clear Body 12.3 313mm Crawlers

1/10 Beetle Clear Body shell 12.3 inch wheelbase Crawlers

1/10 87 Nissan Hardbody D21 Clear Body:12.3 WB

1/10 Sumo L 12.3 Wheelbase Crawlers Clear Body Only

1/10 1967 F0RD F-100 Clear Body 12.3 WB Crwlrs

1/10 Cliffhanger HP Cab-Only Clear Body 12.3 Crawlers

1980 T0Y0TA FJ55 Lexan Body For TF2 LWB 313mm/12.3

Bent Body Clips Yellow (8)

Version 2 Aluminum Body Mounts w/Screw Pins (Silver)

AE Branding Decal Sheet

Hobby Etc Patriot Decal A

Hobby Etc Patriot Decal C

Hobby Etc Patriot Decal P

Decals - Cougar Classic pk3

XP Police Light Bar 1:10 scale

Associated Xp Led Light Kit (12 Leds)

XP LED Roof Light Kit (4 LEDs)

Xp LED Roof Light Kit (6 Leds)

XP 7 LED Aluminum Light Bar 120 mm

XP 10 LED Aluminum Light Bar 170 mm

XP LED Light Bar Hardware

1/10 Crawler LED Light Bar Set - Chrome

Led Lighting Kit for Cars and Trucks 1/10th Scale and Smaller.

Police LED Light System W/Control Box (2 Leds)

J33P 6 Inch Led Light Bar Brackets

6 Inch 66 Bright White Led Light Bar with Plug

LED Light Board and Light Bar Housing: NCR2.0

Light Harness 3-Way Spliiter: Nightcrawler S.E.

Attack Light Bar Hardware Kit (kit includes 4 pieces each of: M2

Uf-7 Deluxe Utility Package (Kit Includes - Basic Utility Packag

Pair of Flame Thrower Headlights

3mm Yellow LED 15.75 inch wire length

Purple Night Saber Led Light

VISION X OPTIMUS LED Pod Lights Square 2

5 inch Super Bright LED Light Bar Kit 6V-12V Curved

1/10 & 1/8 4 Ultra-Slim LED Lt Bar Kit 5V-12V Str

1/10 & 1/8 5 Ultra-Slim LED Lt Bar Kit 5V-12V Crv

1/10 & 1/8 6 Ultra-Slim LED Lt Bar Kit 5V-12V Crv

1/10-1/14 Work Light

1/10-1/14 Work Light (w/LED)

Rc4WD Kc Hilites Kc Light Set V2

3mm Bright White LED Lighting System

RC4WD RC4WD 1/10 High Performance LED Light Bar 40mm

RC4WD 1/10 Baja Designs Squadron Pro LED Lights (2)

KC HiLiTES 1/10 C Series LED Light Bar 120mm/4.72

Led Light 5mm Dia. Rainbow

1/10 Scale Aluminum Black Diamond Plate (2)

1/10 Scale elastic cord Set (6) Black W/ White

1/10 Scale elastic cord Set (6) Black W/ Red

1/10 Scale elastic cord Set (6) Red W/ Black

1/10 Scale elastic cord Set (6) Black W/ Blue Orange

1/10 Scale elastic cord Set (6) Black W/ Red

1/10 Scale elastic cord Set (6) Black W/ Light Tan

1/10 Scale elastic cord Set (6) Purple W/ Blue

1/10 scale Red elastic cord kit

1/10 Scale elastic cord Kit - Black Gold

rc 1/10 scale cargo net black red Kit

rc 1/10 scale cargo net Black Red

1:10 Scale Army Digital Camouflage Sleeping Bag (Toy)

1:10 Scale Special Forces Digital Camouflage Sleeping Bag (Toy)

1:10 Scale Black and White Skull Sleeping Bag (Toy)

Rock1 1/10 Body Scale Interior Steering Wheel

1/10 Scale Mock Radiator and Fans

Mamba X 25.2v Wp Esc 1406-2280kv Sensored:Crawler

Mamba X 25.2v Wp Esc 1406-2850kv Sensored:Crawler

Mamba X 25.2v Wp Esc 1406-3800kv Sensored:Crawler

Sidewinder 4 Sw4 12.6v 2a Bec Waterproof Sl Esc 1406-5700 Sens M

Sidewinder 4 Sw4 Wp Sensorless Esc Sct Edition W / 1410-3800

Copperhead 10 1406-5700kv Combo

Copperhead 10 1406-7700kv Combo

Copperhead 10 1406-2850kv Combo

Quicrun Fusion Pro -2in1 Foc System 2300kv

Combo Xr10 Stock 2s Esc + V10 G4 17.5t Motor

4-Pole Sensored Bl Motor 1406-1900kv 060-00068-00

4-Pole Sensored Bl Motor 1406-2850kv 060-00070-00

13.5 Helix Rs Spec Edition

13.5 Helix Rs Team Edition

13.5 Helix Rs Works Edition

17.5 Helix Rs Team Edition

21.5 Helix RS Spec Edition

21.5 Helix Rs Team Edition

21.5 Helix Rs Works Edition

Puller Pro Stubby V2 Waterproof Sensored Crawler Motor (2700kv)

Revolver V2 540 Sensorless brushless Outrunner Motor (1000kv)

Revolver V2 540 Sensorless Snubnose brushless Outrunner (1000KV)

Revolver 540 Classic Sensorless brushless Outrunner (1950KV)

Revolver V3 540 Sensorless brushless Outrunner Motor (1400kv)

Revolver V3 540 Sensorless brushless Outrunner Motor (2500kv)

Revolver V3 540 Sensorless Snubnose brushless Outrunner (1400KV)

Revolver V3 540 Sensorless Snubnose brushless Outrunner (2500KV)

Xerun-V10-Bandit-10.5t-Black 3800kv Outlaw Edition 1/10 Scale Se

Xerun Sct 3652 Sd G2 Sensored brushless Motor - 3100kv

Xerun Sct 3652 Sd G2 Sensored brushless Motor - 3800kv

Xerun 3652 Sd-D5.0 Sensored 5100kv Motor 5mm Shaft

Xerun V10 G4 21.5t Motor

Xerun Sct 3660 Sd G2 Sensored brushless Motor - 3600kv

Le Mans 240 Gold 13.5t brushless Motor

Dual Sensor Port 540 brushless Sensored Motor (10.5t/3800kv)

Firma 2 in 1 brushless Crawler Motor/ESC: 1400Kv IC3

17.5 Gen4 Eliminator Motor 13.5x25.5mm Rotor Yel

13.5 Gen4 Eliminator Motor 13.5x25.5mm Rotor Yel

6.5 Gen4 MOT 12.5mm Rotor Green

2.0 Gen4 Eliminator Motor 13.5x25.5x5mm Tork Rotor

Yokrpm-Dx135ra Dx1r 13.5r brushless Motor

Mamba X Sct Pro Sensored 25.2v Waterproof 1410-3800kv

Firma 1900KV brushless Marine Motor

Team Trinity brushless Motor Rotor Insertion Tool

6mm Replacement Sensor Board HELIX ICON Torque ICON v2 ICON v3

5mm Replacement Sensor Board HELIX ICON Torque ICON v2 ICON v3

ROAR Spec RS-R Rotor 12.5mm x 24mm Race Spec RPM Strength Tested

ROAR Spec RS-R Rotor 12.5mmx 24mm Race Spec Mid Strength Tested

Pro4 HD Rotor 5mm shaft standard rotor

1/10 RedlineS Gen4 Sensor PCB

Ceramic Sensor Board Set W/ Monster Sensor Board

Sensor Harness for Brushless Motor 80 Mm

Sensor Harness for Brushless Motor 300 Mm

Sensor Harness for brushless Motor 400mm

Mr33 Tungsten Weight - 24 X 30 X 1.5mm - 20g

RC4WD Universal Winch Mounting Plates

Pro Servo Tape 1 inch X36 inch

Aluminum Reinforced Tape 2 Meters

Rc Model Body Reinforcing Clear Tape

Tire Gluing Kit W/Glue & Bands

GPMr6039 Pro Ca Debonder 1 Oz

Glue Straw Tips 4

Advanced Formulated Tires Glue Medium

PT04 Zap-A-Gap CA+ 1/4 oz

ZAP Z-7 Debonder 1 oz

Poly ZAP Glue 1/2 oz

Pro-Bond Tire Glue

3 000 3K cst 70ml 2.36oz Pure Silicone Diff Oil

7 000 7K cst 70ml 2.36oz Pure Silicone Diff Oil

20 000 20K cst 70ml 2.36oz Pure Silicone Diff Oil

80 000 80K cst 70ml 2.36oz Pure Silicone Diff Oil

100 000 100K cst 70ml 2.36oz Pure Silicone Diff Oil

500 000 500K cst 70ml 2.36oz Pure Silicone Diff Oil

1 000 000 1M cst 70ml 2.36oz Pure Silicone Diff Oil

ZAP 5 Minute Quick Shot Epoxy 1 oz

5 Min Z-Poxy 4oz epoxy

5 Minute 2 Part Epoxy Z-Poxy 8oz

Zap Adhesives Z-Poxy 30-Minute 8 Oz

AKA Glue Applicator Tubing 12

Glue Tips (3) for PRO Pro-Bond Tire Glue

Gold - Anti-Wear Grease

Blue - O-Ring Grease

Stealth Black Grease 4cc

Super Black Lube 10g

Super Red High Speed Lube

Clear Silicone O-Ring Super Lube

RC Vg Damper Grease

RC Anti-Wear Grease

Molybdenum Grease

Shock O-ring Grease 8cc

Hook & Loop Mounting Material

Factory Team Thread Locking Adhesive Blue

ZAP Z-42 Thread Lock .20 oz

ZAP Z-71 Red Thread Lock .20 oz

Medium Strength Liquid Thread Locker 10CC (Blue)

Medium Strength Thread Locker 2 CC(Blue)

Hoodie Adult Pull Over Medium Black

Premo Large Adult 5 oz. HD Cotton T-Shirt

Mens Large Nike Perfomance Dry Essential Solid Polo shirt

grey logo t-shirt size large

Thank You Large Mens Long-Sleeve Cooling Performance Crew Shirt

Thank You Medium Mens Long-Sleeve Cooling Performance Crew Shirt

Premo Medium Adult 5 oz. HD Cotton T-Shirt

Mens Medium Nike Perfomance Dry Essential Solid Polo shirt

Medium Size T-Shirt Black

Thank You Small Mens Long-Sleeve Cooling Performance Crew Shirt

Premo Small Adult 5 oz. HD Cotton T-Shirt

Thank You XL Mens Long-Sleeve Cooling Performance Crew Shirt

Premo XL Adult 5 Oz. Hd Cotton T-Shirt

Mens XL Nike Perfomance Dry Essential Solid Polo shirt

grey logo t-shirt size extra large XL

Thank You 3XL Mens Long-Sleeve Cooling Performance Crew Shirt

Thank You 2XL Mens Long-Sleeve Cooling Performance Crew Shirt

Premo 2XL Adult 5 Oz. Hd Cotton T-Shirt

Premo 4XL Adult 5 Oz. Hd Cotton T-Shirt

Mens 3XL Nike Perfomance Dry Essential Solid Polo shirt

Premo 3XL Adult 5 Oz. Hd Cotton T-Shirt

grey logo t-shirt size double extra large 2XL

Grey Logo T-Shirt Size Triple Extra Large 3xl

Advance Adapters Atlas II Transfer Case (1.47/1)

Punisher Shaft Ii (150mm - 192mm / 5.90

Brass SLW 225 Wheel Hub

SLW 850 Wheel Hub Black Anodized

Reedy Radon 2 Crawler 550 16T 5-Slot 1450kV Motor

Dynamite 35-Turn 540 Brushed Motor

TorqueMaster Expert 540 Brushed Electric Motor (35T)

Trailmaster Sport 540 Brushed Motor (27t)

Trailmaster Sport 540 Brushed Motor (35t)

Crawlmaster Sport 540 Brushed Electric Motor (16t)

Crawlmaster Sport 540 Brushed Electric Motor (20t)

Quicrun Brushed Motor - 540-30T

540 Crawler Brushed Motor 80T

540 Crawler Brushed Motor 45t

540 Crawler Brushed Motor 27t

Firma 20T Rebuildable 5 Pole Brushed Crawler Motor

Firma 80T Rebuildable 3 Pole Brushed Crawler Motor

Type 540-N Motor

Formula-Tuned Motor (32T)

Aluminum High Velocity 30mm Fan 7.2-8.4V

Aluminum High Velocity 35mm Fan 7.2-8.4V

Aluminum Hight Velocity 35mm Fan 7.4-11.1V

Fan 2510sh-5v 10000rpm@5v Bk F

35mm Firma Smart 160a Esc Replacement Cooling Fan

25x25x10 Hiflow Aluminum Cooling Fan (Black/Silver)

SPEED PACK - M3 Csk Hd

4-40 Aluminum Mini-Nuts 10

Mounting screw set with lock washer

M3 Aluminum Standoff Spacer Set (4x)(3-5-7-9mm)

Miscellaneous 3mm Titanium Screw Set

3x0.25/0.5/1.5/2/2.5/3mm Flat Washer Set (Black) (70)

3x6x1.0mm Aluminum Shim (Black) (8)

2.5mm Shim Spacer Set (0.13mm 0.25mm & 0.50mm)

Lacquer Paint LP-10 Lacquer Thinner 10ml 10 ML

Lacquer Paint LP-21 Italian Red 10 ML

Lacquer Paint LP-25 Brown JGSDF 10 ML

Lacquer Paint LP-27 German Gray 10 ML

Lacquer Paint LP-42 Mica Red 10 ML

Lacquer Paint LP-54 Dark Iron 10 ML

Lacquer Paint LP-64 Olive Drab JGSDF 10 ML

LP-81 Mixing Blue

Flexible Masking Tape 1mm - Twin Pack

Flexible Masking Tape 3mm - Twin Pack

Dry Transfer Decals Stinger

Tungsten Incremental Weights 3 oz Plate

1/25: Peterbilt 359 California Hauler w/Sleeper

Aluminum Case Hyper Booster Capacitor

DSMX SRXL2 Remote Receiver

Factory Team Aluminum Servo Horn 23T 18.5mm

FT Aluminum Clamping Servo Horn 25T 18.5 mm

Crawler Servo Arm Aluminum 25T: FUT

PBX Servo Arms 23T Servo Horn Aluminum 6061: JR

Aluminum Clamping Servo Arm 23 Tooth Sanwa

Aluminum Clamping Servo Arm 24 Tooth for Hitec

25T (Futaba/TRA/Savox) Double Lock Servo Horn Arm

Aluminum 5 mm Off set servo arm 23 Spline

Aluminum 5 mm Off set servo arm 24 Spline

Aluminum 5 mm Off set servo arm 25 Spline

Aluminum Lock Servo Arm 2h M3 Mount 24t Hitec

Aluminum Lock Servo Arm 2h M3 Mount M3 25t Fut

Clamping 25t Servo Horn - 24mm

Micro Servo Mount

S148 Analog Servo Precision 0.28 sec 42 oz-in

HPI120019 SS-30MGWR Servo Water-Resistant

Standard Servo HS-311: Universal

Full Aluminum Case Low Profile Coreless Drift Servo

Full Aluminum Case Low Profile Coreless Drift Servo (Limited Edi

9KG Servo WP Metal Center Case 23T

Ess-Air Engine Sound System

Servo Extension 12 : JR/RCD

Universal Receiver Power Splitter

Universal Receiver Power Splitter Female Servo x 2 & JST x 2

Mx-6 Fh-E 3-Channel Transmitter W/ Receiver-391w Waterproof Rece

Rock1 Rock Crawler Body Scale Pre-Cut Interior Cockpit (Clear)

Red 1/10 Scale Aluminum Jack Stands (Toy)

Blue 1/10 Scale Aluminum Jack Stands

RC Tire Rack Metal- Black Tires Not Included

RC Tire Rack Metal- Blue Tires Not Included

1:10 scale model Edelbrock Cylinder Heads for V8 Motor

Picnic Table 1/10 Scale Crawler Park

1/10 Scale Full Metal Trailer with LED Lights (Black)

Gooseneck Quick Connector Adapter #10-32 Thread 6.3mm Ball

RC4WD Adjustable Drop Hitch Long

1/10 Custom Trailer

1/10 Scale Aluminum Black Tow Shackle D-Rings (4)

1/10 Scale Aluminum Red Tow Shackle D-Rings (4)

1/10 Scale Aluminum Orange Tow Shackle D-Rings (4)

1/10 Scale Aluminum Blue Tow Shackle D-Rings (4)

1/10 Scale Aluminum Silver Tow Shackle D-Rings (4)

1/10 Scale Tow Shackles Ez Mount (2)

1/10 Scale Tow Shackles Mount Base (1)

Black Aluminum Monster Flat Shackles TRX-4 SCX10 SCX10 II

Red Aluminum Monster Flat Shackles TRX-4 SCX10 SCX10 II

Black Aluminum Monster D-Ring Shackles TRX-4 SCX10 SCX10 II

Red Aluminum Monster D-Ring Shackles TRX-4 SCX10 SCX10 II

Silver Aluminum Monster D-Ring Shackles TRX-4 SCX10 SCX10 II

1/10 Scale Red Tow Shackle D-Rings (2)

1/10 Scale Aluminum Yellow Tow Shackle D-Rings (2)

1/10 Scale Aluminum Blue Tow Shackle D-Rings (2)

Winch 1/10 Scale Hook (Black)

Winch 1/10 Scale Hook (Yellow)

Aluminum Winch 1/10 Scale Hook (Blue)

1/10 Scale Aluminum Winch Hook (chrome)

1/10 Scale Tow Shackle Lock Pins (2) - Axial SCX10

1/10 Scale Portable Fold Up Winch Anchor Black/Red

1/10 Scale Portable Fold Up Winch Anchor Red/Black

1/10 Scale Portable Fold Up Winch Anchor Yellow/Black

1/10 Scale Portable Fold Up Winch Anchor Blue/Black

1/10 Scale Portable Fold Up Winch Anchor Silver/Black

Aluminum Winch Flat Link Red

Aluminum Winch Flat Link Blue

Aluminum Winch Flat Link silver

Pitbull Rocker Tread Insta-Trax 2

Scale Recovery Tow Strap w/ Duffle Bag: Crawler

King Kong Mini-Tow Shackle

RC4WD King Kong Tow Shackle

King Kong Small Hook Black Chrome RC Car Accessory

1/10 Scaler Tow Hooks and Chain Set

1/10 Scaler Tow Hooks and Braided Wire Set

299 Low Profile Servo Winch W/ Built in Controller

S7110 Servo Winch: 1/10 Rock Crawlers

Rsd Piggyback Shocks 100mm Length 2 Unassembled

Xd Diaphragm Shock 113mm 2 pieces

Xd Dual Rate Diaphram Shock 103mm 2 pieces Unassembled

Xd Dual Rate Rock Shocks 2 pieces 113mm Unassembled

PowerStroke Shocks Rear: Slash

Pro-Spec Scaler Shocks 105mm-110mm :Rock Crawler

Rc4wd Bilstein Sz Series 100mm Scale Shock Absorbers

100mm Aluminum Piggyback Shocks Adjustable

Black Internal Spring Air Shocks 100mm

Silver Internal Spring Air Shocks 100mm

Aluminum 126mm Double Spring Shock Set (Black)

Aluminum 126mm Double Spring Shock Set (Red)

Remote Reservoir Internal Spring Shocks 120mm

120mm Aluminum Piggyback Shocks Adjustable

Red Internal Spring Air Shocks 120mm

Green Internal Spring Air Shocks 120mm

Blue Internal Spring Air Shocks 120mm

Silver Internal Spring Shocks 120mm

Red Internal Spring Air Shock 90mm

Green Internal Spring Air Shocks 90mm

Silver Internal Spring Air Shock90mm

Silicone Shock Oil 150 Weight 50 Ml

Gmade Silicone Shock Oil 25 Weight 50 Ml

Silicone Shock Oil 450 Weight 50ml

Shock Spring 15x54mm Soft Green 2 for Rsd Shocks

Shock Spring 15x38mm Hard Red for Rsd Shocks

Big Bore Scaler Shock Spring Assortment

Reedy SC480X Brushed Crawler ESC

Torquemaster Br Mini Brushed Esc

QUICRUN Brushed micro ESC - WP 1625

Quicrun waterproof-1080 Brushed Esc - G2

FIRMA 70A Brushed Smart waterproof ESC

FIRMA 70A BR Smart ESC/35T Brushed Motor Combo

Blackbox 610R Competition ESC w/Programmer

Ezrun ESC series - MAX10 G2 (80A)

Quicrun 10BL60 Waterproof speed control

Xerun Xr10 Pro G2s Esc - Stealth

Firma Crawler 120A Sensored BL Smart ESC