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Comfortable Accessibly Designed 500W (700 watt peak) 20Ah Max Range 75Miles Long Range All-terrain Torque Sensor Ebike UL and GCC Certified
Regular price $1,099.00 Sale price $1,459.00 ( You Saved1  $360.00! )

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48V 20AH

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2 Year Warranty
30-Day Trial

Osprey is versatile and adept at handling various riding scenarios for your enjoyment.Get ready to conquer any terrain with OSPREY's flexible torque sensor, powerful 500W motor, and long-lasting 48V 20AH battery.With a range of up to 75 miles per charge, you can effortlessly tackle the hills, trails, and beaches all day long.
48V 20Ah
75 Miles
Max Range
7-9 Hours
Charging Time
Max Load
Class 2/3
Product Highlights
Feature-Torque Sensor
More Abundant Assist

Torque Sensor offers more assist during your whole ride than cadence does no matter which road condition you are experencing.

More Torque Support

With a Torque Sensor, it provides more torque when you are pedaling. It can somehow break through the limitation of the torque offered by the motor itself when you pedal strongly.

More Accurate Measurement & Control

Imagine the torque sensor as a spring, whenever you pedal, the spring will be pressed according to the strength you pedal and feedback the accurate data to the motor control, it will determine how much electric assistance you need based on the strength of the signal.

Riding Senada Bikes


  • Features
  • Mechanical
  • Electronics
  • Parts
  • Safety
  • Dimensions & Capacity
  • Warranty
Motor 500 watt
Battery 48 volt 20 amp-hour
Max Load 350 lbs (160 kg)
Range 75 miles (120 km)
Recommended Rider Height 5'2" ~ 6'2" (160cm ~ 190cm)
Calculated from the average heights of the test riders.
Included Battery, charger, pedals, assembly toolset, assembly guide
Warranty 2 Years
Motor 500 watt (700 watt peak), 62 N.m, toothed, brushless hub motor
Battery 48 volt 20 amp-hour li-ion battery. Waterproof IP65 (included)
Range 40~75 miles (64~120 km)
Charger Input AC100V-240V 2.5A, Output DC54.6V 3.0Ah Smart Charger (included)
Battery Charge Time 7~8 hours
Battery Lifetime 800 cycles
Frame 6061 Aluminum full suspension frame
Controller 48V 18A, IPX54
Display 4.21" LCD color display, Smart Computer
Headlight 650 lm
Taillight 30 lm
Tires Chaoyang 20" x 4" fat tires
Throttle Thumb throttle
Saddle Justek soft saddle
Seat post 300mm × 27.2mm adjustable height
Crank 48T
Pedal Aluminum alloy pedal with reflectors
Chain KMC chain
Freewheel Shimano 7 speed gear shifter system
Kickstand Heavy duty aluminum alloy
Brake lever Anti-slip grip levers with motor cutoff switch
Brake CENS 180mm brakes
Gears Shimano gear shift system 7-speed
Front fork YS suspension fork with lockout and adjustment
Dimensions & Capacity
Bike Weight 70.5 lbs (32 kg) with battery
Bike Dimension Height 46“ (117 cm) / Length 67.5” (172 cm)
Packing Size and Weight 58x13x30in 92lbs (147x33x76cm 42Kg)
Total Payload Capacity 350 lbs (160 kg)
Frame 2 years
Parts 2 years
Battery 1 year
Terms & Conditions This warranty only applies to the original owner of a Senada bike and is limited to the replacement of defective parts.
For more information, please visit the warranty page.

Bike Dimension

What's In The Box


Your OSPREY comes 90% pre-assembled. Just unbox, mount the front wheel and handlebar, put pedals in place, turn some bolts here and there and you are ready to ride in 40 minutes or less!


Assembly Toolset. Allen key set, wrench, charger, etc..


We not only make amazing products but strive to provide the best experience and support to our customers. When you buy a Senada you get peace of mind knowing we will be there whenyou need it.

  • 2 Years warranty. All Senada bikes come with 2 years warranty in frame and parts, and 1 year warranty on the battery. Learn More
  • Customer support. We offer you many ways to reach out: call, text, message, ticket system.
  • Community. When you become a Senada owner you also join a Senada Owners community online where you can share your new happy Ebike life, ask questions and get answers from fellow Senada owners. Join
Comfort & Convenience
A bike crafted to master all terrains. Equipped with large fat tires and a powerful motor, it effortlessly navigates any landscape, takes you wherever your heart desires, effortlessly.

High-capacity battery and robust frame design ensure durability and sustained performance. Be it mountains, trails, deserts, snowy areas, or city streets, handles them with ease. Experience the liberty to traverse any landscape with ease and confidence with SENADA.
Comfort & Convenience
A bike crafted to master all terrains. Equipped with large fat tires and a powerful motor, it effortlessly navigates any landscape, takes you wherever your heart desires, effortlessly.

High-capacity battery and robust frame design ensure durability and sustained performance. Be it mountains, trails, deserts, snowy areas, or city streets, handles them with ease. Experience the liberty to traverse any landscape with ease and confidence with SENADA.
Heavy-load & Multifunctional Rear Rack
The sturdy frame, which is twice the thickness of regular e-bike frames, combined with the low-center-of-gravity moped design, provides the most comfortable riding experience even while carrying heavy loads. It can attach bags, baskets, passenger seats or simply strap bulky items on it - the extended size and integrated racks make hauling a cinch.
Power and Range
500W Hub Motor
With 500W continuous power (700W Max Output) and 62Nm of torque at your disposal, the high-speed brushless geared hub motor can help you conquer the most rugged terrains easily.
48V 20Ah Lithium Battery
Its removable 48V 20Ah Lithium-ion battery guarantees high performance and an extended lifespan. The bike range per charge is about 75 miles per charge on pedal-assist mode and around 40 miles on pure electric power mode. We offer a 1-year warranty on the original battery.
Smart LCD Display
The backlight color display provides information like speed, mileage, power, etc. If you want to customize the speed to your personal style, please feel free to reach out to Senada support team for help.
Made of Quality Components
Senada strives to strike the right balance between price and quality components.
20"x4" Chaoyang fat tires provide upgraded grip and traction on rugged roads. Even on some troublesome terrains, these tires can provide you safe and smooth riding experience.
Both the front and rear 180mm mechanical disc brakes provide ample stopping power, ensure that e-bike can be stopped swiftly as well as smoothly.
The durable aluminum crankset and the crankset guard provide further protection to the chainring and help the chain stay to travel over rough terrain.
The Shimano 7-speed freewheel means you can shift to a larger cog for uphill riding and downshift to a smaller cog at high speeds. In combination with the pedal-assist system, you can adjust a suitable speed to complete your journey.
The suspension fork on OSPREY serves to absorb shock or impact from the road, providing a smoother and more comfortable ride. It also enhances control and traction, making it easier to navigate over rough terrains.
OSPREY features a 650-lumen LED headlight for superior visibility. Its taillight remains constantly lit and brightens when braking, enhancing safety and visibility.
Designed for Your Comfort
Our bike is designed with your comfort and safety in mind.
An ergonomically designed saddle features a comfortable riding experience, specially made for pressure relief, and can suppress vibration and shock when crossing a rough and uneven road.
The thumb throttle on OSPREY provides the capability to control the bike's speed without pedaling. It offers an easy way to accelerate, making the ride less physically demanding and more enjoyable.
The integrated rear rack can not only handle around 100 lbs of weight but also provides excellent protection for the battery. The full-coverage fenders help you avoid most of the mud splash.
Manual measurements may not be entirely accurate, please refer to the actual size of the bike.

  • A - Stem to Saddle 24.4'' / 62cm
  • B - Wheel Base 44.3'' / 112.5cm
  • C - Total Length 67.5'' / 171.5cm
  • D - Wheel Diameter 26'' / 66cm
  • E - Handlebar Height46'' / 117cm
  • F - Seat Height 33.9''~41.3'' / 86~105cm
  • G - Handlebar Width 27'' / 68.7cm
  • H - Standover Height 19.5'' / 49.5cm
  • I - Bottom Bracket Height 11.4'' / 29cm

Why Torque Sensor

a cadence sensor measures the speed at which the pedals are turning. It provides feedback to the electric motor, allowing it to adjust the level of assistance provided based on the rider's pedaling speed. Cadence sensors are generally less expensive than torque sensors, but they can provide a less natural riding experience. With cadence sensors, the motor output is based solely on the rider's pedaling speed, so the rider may experience a lag in assistance when starting from a standstill or when riding uphill.

A torque sensor measures the amount of force applied to the pedals by the rider. It provides feedback to the electric motor, allowing it to adjust the level of assistance provided based on the rider's effort. Torque sensors are considered to be more advanced than cadence sensors because they provide a more natural riding experience, with power assistance that feels more like traditional cycling. With torque sensors, the motor output is proportional to the rider's effort, so the harder the rider pedals, the more assistance the motor provides. This means that torque sensors are ideal for riders who want to maintain a consistent level of effort throughout their ride, regardless of terrain or incline.

  1. More natural riding experience: Torque sensors provide electric assistance that is proportional to the rider's effort, making it feel more like traditional cycling. With cadence sensors, the motor output is based solely on pedaling speed, which can feel less natural.
  2. More precise assistance: Torque sensors can detect even small changes in the rider's effort and adjust the electric assistance accordingly. This means that riders can maintain a consistent level of effort throughout their ride, regardless of terrain or incline.
  3. Better battery efficiency: Torque sensors can help to conserve battery life by providing assistance only when needed. With cadence sensors, the motor may continue to provide assistance even when the rider is not exerting much effort, which can drain the battery more quickly.
  4. Easier to start from a standstill: Torque sensors can provide immediate assistance when starting from a standstill, making it easier to get going. With cadence sensors, there may be a lag in assistance when starting from a stop.
  5. Safer and more stable ride: Torque sensors can provide a safer and more stable ride by adjusting the electric assistance based on the rider's effort. This means that riders can maintain better control of their bike, especially when riding at higher speeds or on uneven terrain.


ARCHON comes about 95% assembled, there are some final assembly and adjustments needed, like the front wheel, the handlebar, the seat, the pedals, the headlight, the fenders, and the rear rack.

For any assembly questions, you can download the instructions on our website, or, contact our support team via

There is a quick release skewer for installing the front wheel, place the front wheel on the wheel hub, then tighten and lock the quick release skewer.

There is a spring on each side of the quick release skewer. The small end of the spring is inward and the big end is outward. The nuts on the front wheel do not need to be removed.

In addition, please make sure both sides of the fork is clipped on the hub, not on the quick release skewer.

*Please check the tire position before and after inflating the tire, inspect the wheel to make sure the bead seat line is aligned to the rim, the bead is uniformly seated and the inner tube is not poking out from the underneath of the tire.

1. Look for the “L” or “R” sign on the axle or wrench flat.

2. The left pedal needs to tighten counterclockwise, the right pedal is tightened clockwise.

3. The thread of the pedal and crank arm needs to be aligned carefully, if the thread is misaligned, the crank will be mangled or cross-threaded.

4. It is suggested to tighten the pedals with a pedal wrench, and use some anti-seize compound if have.

The front fender and the headlight share the same set of bolts and nuts. Here is a video guide on how to assemble the fenders, headlight, and rear rack:

Install the rear rack on ARCHON:

1) Install the fully charged battery on the bike;2) Insert the ignition key on the right side of the handlebar to turn on the power;3) Long press the M button on the display to turn on the system;

4) PAS 1 or 2 is the recommended starting speed (PAS 0 means no motor assist);

5) You can now ride the bike by using the twist throttle or pedals (with power assist).

Please follow the steps or video below to change the settings:

1) Long press '+' and '-' at the same time to enter settings;

2) Press 'M' till the display shows '02' (mileage unit);

3) Press '+' or '-' to change it, '0' is KM, '1' is MILE;

4) Long press '+' and '-' at the same time to save and quit the settings.

One set of key (smaller) is for ignition on the right side of the handlebar:

The other set of key (bigger) is to lock/unlock the battery on the bike, it is wrapped with foam together with the battery.  

Each key set has two same keys, we suggest you keep one on each at home just in case.

Please visit FAQ section to get more answers or solutions, or, you can ask Senada support team directly at

Customer Reviews

Based on 27 reviews
Piatta (Tukwila, US)
Incredible bike incredible price

This is my second senada bike. suggestion, i’m 5’7 I would highly recommend somebody my height getting these steps through much easier to get on and off besides that the bike is awesome. The bike is fast. The battery lasts long It is an amazing bike so I decided to get the cruiser step through for my daughter so we could ride together. This bike is also an amazing bike a bit different than the my other bike is lighter and that is large but the step through makes it much easier to ride. I highly recommend the senada bikes. Ps assembly is simple. Takes approximately 30 minutes.

Great Step Thru Bike

We were looking for bikes to use when we go camping plus to use around the house. Our thought was it's way cheaper than a golf cart and you can use a bike anywhere you go where as a golf cart is not always allowed. I was looking for a bike that my wife could ride since she's 5'2". Saw this bike and after reading the reviews I thought that I would give it a try. The price was in our wheel house as first time ebike owners. The bike came well packaged and about 90% complete. Took minimal effort to put together. Watched a youtube video on how to install, but the manual was very clear. Battery was fully charged out of the box as well. Watched a video on control settings and made sure the bike was set at the optimum level. First impression and things we like: The grips on the handle bars are far better than my ebike, seat is really nice and the wife is happy with it, rear rack has a nice wood platform, great LCD display. Our maiden trip was a 20 mile bike ride that was both flat/hilly terrain. At the end of the ride, still had 1/2 battery life and no cons with the bike. Since the battery has no memory, battery recharged in about 3.5 hours. We're very happy with this purchase and look forward to future rides. Of course there are more expensive bikes out there, but this bike is does what we need it to do at a great price.

Mike G.
Love it!

Love this bike! Really comfortable, responsive drive, and the capability for all 3 modes is a huge bonus. Super easy assembly and set up out of the box. Took me around 20 minutes. One of the concerns I had when reading other comments was that I’m 72″ tall (6′) and others said it might not be a good seat height. Turns out that the seat height is more than adequate with a little to spare. I’m having a great time riding it and am very happy!

Uncompromising Performance

OSPREY Takes Cycling to New Heights!As a daily commuter, I rely on the OSPREY e-bike to get me to work and home efficiently. Because the torque Sensor, So the bike's smooth acceleration and comfortable seat make my daily rides a breeze. Colleagues come and ask me where I bought such a perfect bike and of course I am happy to share my shopping experience and I highly recommend it

Best Fat Tire Cargo Electric Bike

This electric bike is exactly what we were looking for!! First, assembly was super simple. It took one adult about 15-20 minutes to assemble. Senada provides detailed instructions with pictures and diagrams. All of the components seem to be well constructed. One of the most important things for us was the cargo capabilities. We wanted to be able to have a 2nd rider, our 8 year old. She’s not old enough for her own ebike, but I wanted her to join us on fun adventures. The back cargo area can accommodate a 2nd rider and you can even get add on seats for more comfort. Also, it has a 500 watt motor and a max load of 350 pounds. This bike is perfect for all members of our family since recommended rider height is 5’2” to 6’2”. With a range of 75 miles, we can easily go on rides without worrying about the battery level. Even with cargo, this bike has some zip. We had 2 people, about 325 pounds on the bike and it still had no problem getting over 22 mph. Even with the “back seat” being used you still have a small area between your feet that acts as a cargo basket and you can add on a water bottle holder and a front basket if you wish. We are so happy with our Senada Osprey. It looks great, it rides smooth, it can carry cargo, and it was an affordable option.