Randride YG90B Electric Mountain Bike

Randride YG90B Electric Mountain Bike – 1000W of power, 45 km/h top speed, and top-of-the-line features

Are you looking for a high-performance electricmountain bike that won’t let you down, even in tough conditions?
The Randride YG90B is a 1000W electric mountain bike that earned its spot in the top 3 of our electric mountain bikes released on March 23, 2025.

The Sähköpyörätehdas team tested this electric mountain bike model on challenging terrain in Finland and Europe: on rocky trails in Nuuksio, on steep gravel roads in the Lapland wilderness, on the 30° climbs of Mount Koli, and on damp forest floors in Vantaa and Espoo. Test rides were also conducted in the evenings with a full load—and the bike never ran out of power.

🚴 Why choose the Randride YG90B?

The Randride YG90B is an electric mountain bike that stands out.
Its 1000W brushless rear motor delivers instant acceleration and reaches speeds of up to 45 km/h. With 75 Nm of torque, it can tackle steep climbs and technical trails without straining the pedals. This is one of the most powerful e-bike models on the market.

🔋 48V 17Ah frame battery – up to 120 km range

The battery is housed inside the frame, which improves balance and aesthetics. Charging takes 6–8 hours, and a single charge provides a range of up to 70–120 kilometers—perfect for long rides on an electric mountain bike.

⚙️ All-terrain CST tires – Traction anywhere

Wide CST tires provide a stable grip on gravel, sand, and forest trails. The ride feels secure even on rocky terrain.

🔧 Full suspension & hydraulic disc brakes

Full suspension combined with powerful hydraulic disc brakes ensures controllability—both on rocky terrain and on downhill slopes. The perfect combination of comfort and safety.

🖥 LCD display & Shimano 21-speed drivetrain

The display shows you everything you need to know in real time, and the 21-speed Shimano drivetrain ensures a smooth ride on any terrain. Comfort is also provided by the non-slip saddle and ergonomic handlebars.

🧳 Fully equipped – drive right away

This electric mountain bike comes fully equipped: lights, fenders, a rack, a pump, a reflective vest, and tools are all included in the package. Just hop on the saddle and start riding right away.

🎯 The Final Result

The Randride YG90B is an electric mountain bike for those who won't settle for compromises. It combines top speed, powerful torque, a long range, and riding comfort—all in one electric bike.

We also want to share useful information about the world of e-bikes. If you’d like to learn more about e-bikes, their benefits, and how they can be used, I recommend checking out the following resources:

Network of Cycling Communities– Up-to-date information on cycling in Finland.
Traffic Safety– Tips for Safe Electric Biking.
Fillari Magazine– Articles and reviews on cycling and e-bikes.
Motiva– Information on sustainable transportation solutions.

I hope you find some useful information in these links!

Best regards,
The SähköpyöräTehdas Team

• Weight: 28 kg
• Frame material: Aluminum alloy
• Display: Color LCD screen
• Brakes: SHIMANO T200 disc brakes
• Suspension: Suspension system
• Battery: 48V 17Ah
• Electric-assist range: 70–120 km
• Tire size: 27.5 x 2.4
• All-electric range: 50–70 km (without pedaling)
• Charging time: 7–8 hours
• Motor: 1000W brushless motor
• Controller: Smart brushless controller
• Torque: 75 Nm
• Gear system: 21-speed Shimano
• Climbing angle: 30°
• Top speed: Up to 45 km/h

Electric Bike Factory Warranty – We're Here to Support You

All electric bicycles come with a manufacturer's warranty that covers the most important parts as follows:

Frame: 10-year warranty against manufacturing defects.
Electric motor and its components: 2 years.
Battery: 2 years.
Other electrical components: 2 years.

The expert staff at Sähköpyörätehdas will support you throughout the entire warranty process, so you
don't have to worry. We'll handle everything for you directly with the manufacturer.

How we handle warranty issues on your behalf:

1. If a problem arises – Contact us at
If your electric bike develops a fault, contact Sähköpyörätehdas customer service immediately. You can
contact us by email, phone, or by filling out the warranty form on our website.
We ask that you describe the problem in detail and send any photos or
videos of the issue, along with your purchase information. This will allow us to assess the problem as quickly as possible.

2. Problem Assessment and Inspection
When you contact us, our expert will assess the situation and determine whether the problem is covered by the warranty
. If necessary, we’ll direct you to the nearest service center or arrange for your bike to be picked up
for a more detailed assessment. We’ll take care of everything for you—all you need to do is report
the problem and send your bike in for inspection.

3. Warranty Processing – We’ll handle communication with the manufacturer
Once we’ve confirmed that the defect is covered by the warranty, the Sähköpyörätehdas staff will handle
all communication with the manufacturer on your behalf. This includes submitting the necessary documents and information
as well as ordering any replacement parts. A warranty repair may involve replacing a part,
repairing the bike, or even delivering a new bike if the defect cannot be repaired.

4. Fast and Efficient Service
We ensure that the problem is fixed as quickly and professionally as possible. We’ll handle
all service-related arrangements for you, so you don’t have to worry about the details.
We’ll keep you updated throughout the process and notify you as soon as the service or repair is complete.

5. After a warranty repair – We’ll arrange for the return at
Once the problem has been fixed or the defective part has been replaced, we’ll notify you and arrange for the return or pickup of your bike at
We’ll make sure everything is in order before we return the bike to you at
.

6. Costs Covered by the Warranty
If the defect is covered by the warranty, repairs, part replacements, and return shipping are completely free of charge for you.
If the defect is not covered by the warranty, we will offer you a paid repair service and provide
a cost estimate before starting the work.

Sähköpyörätehdas Supporting You Every Step of the Way

We are committed to ensuring that your electric bike works flawlessly throughout the warranty period.

We'll handle all warranty matters with the manufacturer on your behalf, so you can focus on carefree
driving.

Sähköpyörätehdas's customer service is always ready to help you—just contact us at
and we'll take care of everything for you.

Maintenance and Assembly of Electric Bikes at the Electric Bike Factory

You can have your electric bike serviced either at our store in Helsinki or at service centers located elsewhere in Finland. You can easily find your nearest service location [here].

Assembling an Electric Bike

When you buy an e-bike from us, you can rest assured that we’ve made everything as easy as possible for you. Our e-bikes come 90% pre-assembled, which means you don’t have to worry about complicated assembly steps. For the final assembly, you’ll receive all the necessary tools and clear, step-by-step instructions to ensure your e-bike is ready to ride in just about 30 minutes.

However, if you need help at any stage, we’re here to assist you. You can contact us at any time, and we offer free video guidance via WhatsApp to ensure the assembly goes smoothly. If you’d still rather not assemble the e-bike yourself, you can also bring it to our store, and we’ll assemble it for you—this service is also designed to keep the process easy and hassle-free.

First Aid

The first service should be performed after about one month of riding or when the e-bike has been ridden 100–300 kilometers. This initial service includes a thorough wash of the e-bike, a comprehensive inspection of the electrical components, adjustments to the brakes and gears, tightening of the spokes, lubrication of the chains, and a general condition check. This service ensures that your e-bike is in top condition and ready for safe riding.

Annual Maintenance

Annual maintenance includes even more comprehensive procedures: battery testing, drivetrain cleaning, tire inflation and replacement, chain lubrication, and inspections and updates of all electrical systems. We recommend annual maintenance regardless of how often you use your e-bike, to ensure it remains in top technical condition and safe to ride all year round.

Prices for Maintenance and Repair Services

We keep our maintenance costs competitive. The price for an initial service starts at 90 EUR, and a comprehensive annual service costs 149 EUR (including 25.5% VAT).

If you'd like us to assemble your electric bike for you, you can bring it to our store; the assembly service costs 69 EUR.

Service and Assembly Appointment

You can schedule a service appointment or a pickup by calling our store directly or visiting our website.

If you can't make it to our store in Helsinki, you can take advantage of our service network, which covers all of Finland. [Click here] to see all of our service locations and their contact information.