The 2018 Redshift EX is the ideal ratio of motocross speed, single-track 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 off-road world in the purest manner possible.

42

HORSEPOWER

120

FT-LBS TORQUE

2

HR 240V RECHARGE

275

LBS WEIGHT

12995

MSRP

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.

Alta’s liquid-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 42 HP at the countershaft and pushes power through a 3.5:1 gear reduction to deliver 120 ft-lbs of torque from a dead stop at 0 RPM.

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.

DRIVETRAIN

MOTOR
High Speed PMAC

TORQUE
120 ft-lbs Countershaft
38 ft-lbs Motor

POWER
42 HP

TRANSMISSION
1 Speed

GEAR RATIO
3.5 : 1

MAJOR MAINTENANCE CYCLE
1000 Hours

TOP SPEED*
71 MPH

SPROCKETS
13F / 53R

BATTERY

TYPE
Waterproof Li-Ion 350v

CAPACITY
5.8kWh

CHARGER
Offboard

RECHARGE TIME
2 hrs(240v – Rapid) 4 hrs(120v – Standard)

ELECTRONICS
Alta-Digital, 4 Maps

COMPONENTS

FRONT FORK
WP 4CS 
Fully Adjustable

REAR SHOCK
WP Custom Reservoir

FRONT BRAKE
Brembo Two Piston
260mm Rotor

REAR BRAKE
Brembo Single Piston
220mm Rotor

WHEELS
Warp 9 Elite
21″F / 18″R

TIRES
Metzeler 6 Days Extreme

SPECIFICATIONS

FRAME
Forged & Welded Aluminum

SWINGARM
Permanent Mold Aircraft Aluminum

WEIGHT
275 lbs

WHEELBASE
58.59″

SEAT HEIGHT
38.17″

RAKE
26.16°

OFFSET
22mm

ECO

A traction map that offers the best range profile. Also a great map for just starting out

SPORT

Performance profile engineered to line up with 250f race machinery.

PERFORMANCE

Similar traits as the Sport map but with more bottom end and traction – it also makes a great starting gate map

OVERCLOCKED

Maximum torque and power are available without restriction – if you have the skill to control it. Thermal limiting will protect the machine if you push too hard.