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With 3700 Watts of pure electrical thrust and a total weight of 40kg, the F-37 packs a serious punch.

Built Tough

Handcrafted in true Stealth style, the F-37's CroMoly monocoque frame is ready for anything.


Maxing out at 60km/h, the F-37 delivers endless enduro and freeride capabilities turning those uphills into downhills.

Low Maintenance

Using high quality components coupled to a world leading design, the F-37 ensures years of low-maintenance thrills.

About the F-37


When your trail riding needs elevating to the next level, the F-37 is your weapon of choice. Commonly referred to as the B-52’s baby brother, the F-37  has the pace and agility to carve it up like no other.  Offering Stealth’s renowned hybrid-electric drivetrain combined with the well known Speed Drive two-speed transmission, the F-37’s simplicity is also its strength. Its long travel suspension package and ergonomically designed cockpit are modeled for ultimate maneuverability, whether in flight or glued to the trail. 

Speed and Performance


Top Speed: 60km/h (37mph)
Range: up to [email protected]km/h ([email protected])
Noise @ 50km/h: 65dB
The F-37’s torquey brushless DC hub motor and high power to weight ration accelerates pilots to speeds of up to 60km/h, leaving all competitors in its dust. Additional power can be transmitted to the ground via the 2-speed, internally geared bottom bracket to increase range, efficiency and acceleration. 
In economy mode with moderate pedaling, the F-37 pilots can expect a range of up to 100km (60 miles) on flat terrain.  When competition mode is engaged and the red mist comes down, a wide open run on the trails will achieve up to 40km (25 miles) on a full charge. 

Electrical and Power

Peak Power: 3.7kW (3700 Watts)
Motor Type: Brushless DC
Battery Type: LiIon
Battery Capacity : 1.5kWh
Recharge Time : 3 hours
Charge : Standard 110-240V


Stealth’s® proprietary DC-1 display allows all Stealth owners to read real-time data and vital stats such as speed, battery consumption, range estimation and efficiency at a glance. It’s intuitive layout and easy to access menus create a use friendly experience for even the most novice riders.


In a world where efficiency and reliability means everything, Stealth’s solid state, digital inverter technology has absolutely no moving parts, eliminating the possibility of wear and tear.


Tried and tested, the F-37’s 1.5kWh lithium ion battery offers uncompromised safety and reliability on the trails taking you further, for longer. With a 3 hour recharge time, all Stealth customers are given the convenience of plugging in to any 110/240V household outlet to stock up on those vital electrons.

Drive Train and Technology

Using the very latest in brushless DC hub motor technology, the F-37’s 3.7kW powerplant accelerates from 0km/h to its terminal velocity in virtual silence. Having only one moving part, the F-37’s high efficiency, direct drive powerplant requires next to no maintenance giving it a huge advantage over its petrol/gas powered counterparts.



Pilots requiring a little more acceleration can further boost performance with the a high torque surge of pedal power transmitted via the 2 speed planetary drive transmission, not only increasing acceleration but producing significant range gains.

Suspension and Braking




Front Travel (DNM): 200mm – Standard
Front Travel (MRP): 200mm – Upgrade
Rear Travel (DNM): 200mm


Standard issue on the F-37  is DNM’s USD 8, 200mm travel front forks.  Tuned and spec’d by the Stealth team, this is a great all round package for riders who want to mix their riding styles.  Being air adjustable makes it suitable for a wide range of rider weights within minutes.

For those looking to take their riding to the next level, we also offer the US made MRP Groove 200 fork as an upgrade option. Offering a super plush ride with lots of air and oil adjustability and technical backup from MRP’s headquarters in Grand Junction, Colorado, this option is very hard to pass up.


Magura MT5 – Standard
Magura MT7 – Upgrade

Regenerative Braking System – Standard


When it comes to stopping power, the standard issue German made Magura MT5’s offer 4 piston hydraulic brake calipers for German stopping precision with no more than 2 fingers on the levers.

For pilots in that top 10% who like to take it to the limit, we also offer an upgrade to the Magura MT7s which provide on tool less reach and bite point adjustment allowing you to fine tune your brakes on the fly. Performance is further enhanced with the MT7’s monoblock brake pads significantly improving heat dissipation while increasing bite on the leading edge.

When slowing down or coasting, pilots can also activate the Regen braking, which recovers  kinetic energy feeding it back into the battery pack, further enhancing range and ride time.


Every Stealth model is available in four standard colour options: Black Ace, Camo Grey, Devils Red, or Snow White. Given our boutique Australian
facility handbuilds every bike from scratch, we can also accommodate special colour upgrade requests – just ask the question.


Brakes – Standard vs Upgrade

Magura MT5 Brakes (Standard Equipment)

The Magura MT5 is designed to deliver outstanding performance
in a wide range of conditions. The adjustable lever reach and
ergonomic-matched 2-finger brake lever allows for as much
brake power as you desire.


At only 380g*, this is one of the lightest brakes in its class
Ergonomic, 2-finger, hollow alloy anodized brake lever
Adjustable lever reach
Carbotecture housing & aluminum handlebar clamp
One-piece, 4 piston caliper with banjo, mystic grey
magnetiXchange bake pad system for easy pad replacement
Compatible with all Magura Storm and Storm SL discs

Specs Courtesy of Magura Brakes

Magura MT7 Brakes (Upgrade)

The Magura MT7 offers a 4 piston forged caliper, with a unique 4
pad monoblock set up. This upgrade is perfect for more extreme
riding. The aluminium 2-finger brake lever with toolless reach
adjustment and adjustable bite point provides trust worthy
braking control with ergonomic comfort.

At only 355g*, the MT7 is one of the lightest brakes in its class
Carbotecture SL housing & aluminum handlebar clamp
Ergonomic, 2-finger, hollow alloy anodized brake lever
Toolless adjustment of lever reach and bite point
One-piece, 4 piston caliper with banjo, mystic grey
magnetiXchange bake pad system for easy pad replacement
Compatible with all Magura Storm and Storm SL discs

Specs Courtesy of Magura Brakes

Suspension – Standard vs Upgrade

DNM USD-8 Forks (Standard Equipment)

The standard issue DNM USD-8 suspension fork is designed to soak up those unexpected and unforgiving hits with ease. It’s coil/air spring system can be dialed to suit a wide range of rider weights while the easy to reach compression and rebound adjusters allow for precise tuning while on the fly. Capable of taking on a wide range of riding terrain the USD-8’s are a great all round package.

MRP Groove 200 Forks (Upgrade)

The American made MRP Groove 200 fork is an air/oil/coil inverted design which ensures a supple ride over harsh terrain. This 200mm suspension upgrade conventiently offers preload, compression, rebound and bottom-out adjustments. A charged oil separator damper with external reservoir and floating piston make this one of the most adjustable forks on the market, while the inverted design offers unparalleled stiffness and keeps wipers, bushings, and seals well lubricated

Handmade in Grand Junction, CO


Duro Razorback

The Duro Razorback offers excellent traction in loose and muddy terrain. It’s aggressive knobby tread pattern allows riders to attack the harshest trails at high speed with confidence and accuracy.

Schwalbe Crazy Bob

The Schwalbe Crazy Bob has a unique wrap around semi-slick tread pattern which provides excellent grip on harder surfaces. It’s reduced rolling resistance, the minimises noise while improving range.



Night riding on a Stealth Electric Bike is one of the best ways to cover serious ground, fast and unnoticed. A great night ride needs an even greater lighting package and we’ve got it right here.
With a thumping 1720 lumen output, the Stealth Lighting Package reaches 270 metres ahead meaning you’ll be well-prepared for any obstacle that might cross your path.


For pilots exploring the urban terrain, our bolt on kickstand is an essential add on. Hand built by Stealth, this kickstand is designed to keep your bike upright when it’s time to step off for a break.