Ultra Light Electric Skateboard Made in the USA

With Nickel Metal Hydride (NiMH) or Lithium Iron Phosphate (LiFePO4) Batteries

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Longboard

(10" Wide x 41" Long)

 
 

Gravity Midsize

(9.5" Wide x 36" Long)

 

 
     

 

Shortboard

(8.5" Wide x 32" Long)

 

 

     
 

Gravity Mini

(8.25" Wide x 27" Long)

 

 
     
 

Pocket Size

Wireless Remote Control

(1.6” Wide x 5.6" Long x 0.8” Thick)

 

 

Why Infrared (IR) and not Radio Frequency (RF) for the wireless remote?

Our testing showed that IR was a more reliable wireless transmission method, because RF is prone to many interference sources, including the skateboard motor itself.  Motors are a huge source of RF noise, and can interfere with the remote's RF wireless signal.  IR uses an invisible light which is in no way affected by RF noise from the motor, resulting in more reliable wireless communication.  The Metroboard Remote Control uses a powerful IR signal that doesn't require that you aim it accurately.  Just hold it in which ever hand is forward (Right if Goofy foot, Left if Regular foot), and the remote will work extremely reliably!

 

Why Buttons and not a Trigger for the wireless remote?

The biggest safety risk with an electric skateboard is falling off the board.  With a trigger type remote, it's very easy to accidentally accelerate too fast or brake too hard by pulling/pushing on the trigger too fast.  With the Metroboad Electric Skateboard, the acceleration/braking ramps are precision controlled by the software inside the skateboard to ensure that each and every time you hit one of the speed or brake buttons, you will have a smooth and gradual acceleration or braking.  Simply press and hold one of the 3 speed buttons (8 mph, 12 mph, or 16 mph), and the skateboard will smoothly accelerate you to that speed.  There are also 9 user adjustable power/skill levels, so that the rider can choose between a mild gentle acceleration to a more thrilling powerful acceleration, or anywhere in between.  For braking, press and hold one of the 2 braking buttons (light or hard braking), and the skateboard will gradually and safely bring you to a stop.  The other benefit of the button type remote is your ability to coast.  With a trigger remote you are either accelerating or braking, but there is no "neutral".  With the Metroboard, simply let go of the speed or brake buttons, and you can coast, saving you precious battery energy, and increasing your range!

 

 
     
 

 

SPEED

 

Top Speed:

16 mph (26 km/h)

Four speeds: 16 mph (26 km/h), 12 mph (19 km/h), 8 mph (13 km/h), 3 mph (5 km/h)

 

Speed and Braking Control:

Wireless Hand-Held Compact Remote Control with Smart Coding to prevent interference with nearby riders

 

POWER

 

Motor Output Power:

450 Watt (0.6 HP) Continuous / 900 Watt (1.2 HP) Peak

 

Motor Type:

24 Volt DC Brush Electric Motor, Rare Earth Magnet, High Efficiency (> 80%), Extremely Quiet

 

Acceleration:

0 to 16 mph (26 km/h) in 5 seconds

 

Braking:

16 mph (26 km/h) to 0 in 5 seconds (Electrical Regenerative Braking, Recharges Batteries).

Two braking levels: Hard and Light, depending on how quickly you want to stop

 

Hill Climbing Ability:

Easily climbs a 9 Degree Slope

  

DISTANCE

 

Range:
(on level ground, with Premium Wheels, minimal starts/stops, 170 lb rider)

·        15 miles (24 km) with Ni-MH 9.0 AH batteries (equivalent to 18.0 AH SLA)

·        7 miles (12 km) with Ni-MH 4.5 AH batteries (equivalent to 9.0 AH SLA)

·        4 miles (6 km) with 6.0 AH SLA batteries
 

ENERGY

 

Battery Type: High Power Ultralight Ni-MH or LiFePO4 or Sealed Lead Acid (SLA)

 

Battery Capacity:

·        24V 6.0 Amp Hour SLA - makes product weight 22 lbs, 10 kg

·        24V 4.5 Amp Hour Ni-MH (equivalent to 9.0 AH SLA) - makes product weight only 17 lbs, 7.5 kg

·        24V 9.0 Amp Hour Ni-MH (equivalent to 18.0 AH SLA) - makes product weight only 21 lbs, 9.5 kg

 

Recharge Time: 3-6 hours (if batteries are completely drained)

 

Charger Type:

Compact Smart Charger, World-Wide Input (100V-240V AC), UL Listed

 

SAFETY

 

Power Levels:

9 Rider Adjustable Power Levels (from Beginner to Advanced), so that rider can fine tune according to their personal riding comfort and skill level.

 

Low Battery Detection:

Warning Beeps disable acceleration to prevent overdischarge of batteries (Brakes still work, however, even when batteries are low)

 

Thermal and Current Overload Protection:

Redundant mechanical and software temperature and current sensing, prevents damage to the electronics under extreme conditions

 

BELLS & WHISTLES

 

Fuel Gauge:

High Accuracy Audible Fuel Gauge activated by the Wireless Remote Control, tells you remaining battery capacity with a series of 1 to 4 beeps (4 beeps: 75-100% capacity remaining, 3 beeps: 50-75% capacity remaining, 2 beeps: 25-50% capacity remaining, 1 beep: 0-25% capacity remaining)

 

Lighting:

Ultra-Bright Flashing Rear (RED) and Front (WHITE) LEDs enhance rider visibility at night

 

Bell:

Warns passersby, activated by the Wireless Remote Control 

 

TRANSMISSION

 

Power Transmission:

Timing Belt and Pulleys

 

Kick Pushing:

Due to low pulley ratio, it is possible to kick push the skateboard (if batteries run out)

 

WEIGHT & SIZE

 

Product Weight: as light as 17 lbs (compare this to the competition's bulky 50 pounders!).  See Battery Capacity above for how the product weight depends on the battery type.

 

Deck Size:

      ·         Gravity Mini: 8.25" wide x 27" long, rear kick tail mini deck

·        Shortboard: 8.5" wide x 32" long, double kick tail new-school deck

·        Gravity Midsize: 9.5" wide x 36" long, rear kick tail hybrid deck

·        Longboard: 10" wide x 41" long with medium flex, great for shock absorbing


Wheel Base (distance between trucks):

·        Gravity Mini: 14.75" (38 cm)

·        Shortboard: 14.5" (37 cm)

·        Gravity Midsize: 20" (51 cm)

·        Longboard: 25" (64 cm)


Truck Size:

6.25" (159 mm) Hanger Width


Wheel Size:

84 mm Diameter (78A Durometer) or Premium High Rebound Landyachtz 85 mm Wheels

 

Remote Control Size:

1.6” Wide x 5.6" Long x 0.8” Thick (pocket size)

 

RIDER

 

Suggested Maximum Rider Weight for optimal performance:

250 lbs (115 kg)

 

Minimum Suggested Rider Age:

16 years old

 

EFFICIENCY

 

Energy Efficiency:

1500 Miles/Gallon (mpg, Equivalent Electrical Energy), compare to a Toyota Prius Hybrid Car which gets 50 mpg (1/30 of the efficiency of the Metroboard Electric Skateboard)

 

Energy Costs:

$0.0005/mile, compare to a Toyota Prius $0.08/mile (160 times the energy costs of the Metroboard Electric Skateboard)

 

QUALITY

 

Warranty:

6 months

 

Designed, Developed, Tested, and Manufactured in Portland, Oregon, USA 

 

INSTRUCTIONS

 

How does the Metroboard Electric Skateboard work? Download the instructions.

 

 

 
  We stock and sell spare parts to keep your Metroboard up and running:

 
 
 

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© Kef Design, LLC, 2009