This is E&C's Newest Motor & Controller Kit! Utilizing everything great about the QS138 70h model and making it that much cooler! This Motor is the Most compact and powerful motor on the market that includes a built in gear reduction. This will allow for direct drive applications on larger wheel powersport vehicles with out the need for an oversized rear sprocket. This kit is PERFECT for Mid or Full size Motocross Conversions and is specifically tuned and designed to work as such. The all new EM-260 Controller that brings the power up to a astonishing 28kW! This Combo is ideal for Competitive large wheel motorcycles that require massive power to nab a spot on the podium. THE ELECTRO & COMPANY DIFFERENCE Our kits come pre-wired and pre-tuned for powersports applications with our specialty being competition motocross. You will save years on your life not stressing about the details of wiring and tuning your setup that would not come with proper instructions or documentation with overseas products. Just plug in an E&C kit, apply power and go! We build you a custom braided harness complete with Waterproof connectors, Switches, Throttle & Controller that is pre-tuned with our proven EMX setup. EMX Kit Includes 1 X QS 138 v3 Mid Drive Motor  1 X EM Controller w/ E&C EMX Tune 1 X Throttle 1 X Aluminum Switch Gear & Power Switch  1 X Volt Meter 1 X Hand Built EMX Harness Key Features Internal Gear Reduction 1:2.35 Light weight and small dimension compared to other motors of similar power outputs V configured rotor design allows for higher RPM with flux weakening High Torque suitable for high performance high load situations such as climbing and racing. No setup required with Electro & Company's tried and true plug and play service Display Options Volt Meter (Included) - Handlebar mounted voltage meter that allows the rider to get an exact voltage reading at a glance. DKD Display (Optional) - Heads up display unit that shows the rider battery life, speed, amperage draw, mode selection & more. Motor Specifications Weight: 28lbs Diameter: 126mm (mounts not included) Length: 234mm Reduction: 1:2.35 Rated RPM: 4000 RPM with Flux: 6500+ Rated Power: 3kW continuous E&C Findings:28kW bursts Controller Specifications EM-260sp Length: 226mm Width: 149mm Height: 78mm Voltage: 40-90v Peak Amps: 350A Max Output: 28,000w (28kW) Kits purchased with battery come with 5a charger and matched controller leads. Motor rotation direction is counterclockwise, as for motorcycles with the chain on the left hand side. Due to the construction of the internal gear reduction this motor can not be used with a clockwise rotation for bikes with the chain on the right. Please see one of our non gear reduction kits for such applications.