The 2018 Redshift EX is the ideal ratio of motocross speed, singletrack prowess, and urban capability . Built with the DNA of a motocross bike, our Redshift EX eliminates the incessant oil changes and maintenance intervals of its high-strung competitors, and still slays on the trail. The combination of low weight and lightning fast acceleration make for a potent street-legal motorcycle that gives you all the tools necessary to experience the offroad world in the purest manner possible.

Mile for mile, there is no smaller, more compact, energy dense battery pack in transportation. The Alta Pack is waterproof rated up to IP67, is durable enough to handle shocks and vibes up to 20G, and is digitally self-monitoring. Our stacked honeycomb architecture allows for extreme energy density at 185 watt hours per kilogram, combined with a unique thermal wicking system to shed heat faster than any other lithium-ion transportation battery in production.

The Alta pack

Mile for mile, there is no smaller, more compact, energy dense battery pack in transportation. The Alta Pack is waterproof rated up to IP67, is durable enough to handle shocks and vibes up to 20G, and is digitally self-monitoring. Our stacked honeycomb architecture allows for extreme energy density at 185 watt hours per kilogram, combined with a unique thermal wicking system to shed heat faster than any other lithium-ion transportation battery in production.

Motor

Alta’s water-cooled 14,000 RPM motor is pound for pound one of the most powerful in motorsports. It is optimized to the narrow width of the Redshift’s bulkhead and is precisely located at the roll center of the bike. This placement allows for the lowest polar moment of inertia in motorcycling – drastically minimizing any gyroscopic impediment to handling. The Redshift’s motor weighs 15lbs and puts out 40hp and 36 ft-lbs of torque. The unit pushes power through a 3.5:1 gear reduction to deliver a 122 ft-lbs of torque at the counter shaft from a dead stop and 0 RPM.

Redshift Bulkhead

The Redshift Bulkhead—the chassis core—functions as the outer motor casing, the cooling circuit for the motor and inverter, as well as the transmission case for the gear reduction. Additionally, it is the main structural hub, connecting to the rear suspension, the airframe, the forged monocoque chassis, and the trellis skidframe. All of this integration is coordinated with very specific strength, weight, and stiffness goals to produce the right ride and compliance characteristics at all lean angles, and under impact.

DRIVETRAIN

MOTOR: High Speed PMAC
TORQUE*: 120 ft-lbs
POWER: 40 HP
TRANSMISSION: 1 Speed
ELECTRONICS: Alta-Digital, 4 Maps
GEAR RATIO: 3.5 : 1
TOP SPEED**: 71 MPH

BATTERY

TYPE: Waterproof Li-Ion 350v
CAPACITY: 5.8kWh
DURATION***: 3 hrs of continuous usage
LIFECYCLE****: 1000 Hours
CHARGER: Offboard
STARTER: 3-step Sequence with Key
RECHARGE TIME: 2.5 hrs(240v)| 4 hrs(120v)

COMPONENTS

FRONT FORK: WP 4CS Full Adjustable
REAR SHOCKWP: Custom Reservoir
FRONT BRAKE: Brembo Two Piston 260mm Rotor
REAR BRAKE: Brembo Single Piston 219mm Rotor
WHEELS: Warp 9 Elite | 21″F / 18″R
TIRES: Metzeler 6 Days Extreme

SPECIFICATIONS

FRAME: Forged & Welded Aluminum
SWINGARM: Permanent Mold Casting
WEIGHT: 275 lbs
WHEELBASE: 58.59″
SEAT HEIGHT: 38.17″
RAKE: 26.16°
OFFSET: 22mm

* Torque measured at Countershaft Sprocket
** Based on factory standard gearing
*** Estimation based on continuous riding under moderate usage
**** Prior to any signs of degradation

About Alta Motors

Alta Motors designs and manufactures the most advanced electric motorcycles in the world. What started as a “what-if?” between friends in 2010 has matured into a full scale Original Equipment Manufacturer (OEM). We endeavor to not only advance the field of motorcycle technology, but to also apply our technology and advanced engineering across transportation markets. In pursuit of this goal we have recruited an agile team of experts, developed innovative electric vehicle technology, and created a world class manufacturing operation headquartered in Brisbane, California. This is where we’re building The Future of Fast.

Source: Alta Motors >

Guy Salens

Guy Salens (motorcycle enthousiast): I want to show the world an overview of existing electric motorcycles and future projects. Because it's time.