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Our workshop team will build, set up and inspect your electric bike before it leaves us. It arrives fully assembled, with the final setup handled for you.
Everything included
Professional assembly
Manufacturer assembly completed
Handlebars, display and controls aligned
Front wheel, pedals, mudguards and rack fitted where supplied
Saddle and seatpost correctly fitted and secured
Key fasteners checked and secured
Mechanical & electrical checks
Brakes inspected, aligned and adjusted
Gears indexed and drivetrain checked
Chain, cranks and pedals checked
Tyre pressures and wheel security checked
Battery, charger, display and pedal-assist system tested
Final preparation & delivery
Final pre-delivery safety inspection
Supplied lights and controls tested
Protective packaging removed and bike cleaned
Fully assembled hand delivery to your address
No final assembly required at home
Delivery takes 5–7 working daysPlease allow 5–7 working days for your fully assembled bike to arrive with you. This includes the time needed for our workshop team to assemble, inspect and prepare it before delivery.
Battery charge levels can vary on arrival. Fully charge the bike and follow the manufacturer’s safety guidance before first use.
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Checking: Cyrusher Rumble 2.0 Electric Bike
Why Buy From TrailSurge?UK showroom, product support & aftercare
Buy your Cyrusher Rumble 2.0 Electric Bike with UK-based support
TrailSurge is a UK retailer with a showroom and workshop in Nuneaton. Our team can help before you order and continue supporting you after your Cyrusher Rumble 2.0 Electric Bike arrives.
UK-based customer support before and after your purchase
Showroom and workshop in Nuneaton
Help with product questions, setup, parts and aftercare
Tracked UK delivery with support if you need help with your order
Speak to a real member of our team before placing your order
Why buy through TrailSurge?For the best UK-based support and aftercare, we recommend buying through TrailSurge rather than ordering directly from overseas manufacturers or China-based sellers, where returns, warranty support and parts handling can be more difficult.
Need help with the Cyrusher Rumble 2.0 Electric Bike?Ask our team a question before ordering.
Good to knowAdjustable 82–106 cm saddle height provides a broad fit range. Contact us with your height and inside leg if needed.
Trail Surge Warranty Plus
FULL OFFICIAL WARRANTY INCLUDED
UK-based support alongside the manufacturer warranty
TRAILSURGE COVER
12 months
TWO LAYERS OF PROTECTION
More confidence after you buy
TrailSurge Warranty+ gives you a direct UK warranty alongside the product’s manufacturer warranty.
01TRAILSURGE WARRANTY +
12 monthsof TrailSurge support
UK-based fault support
Battery, motor and frame fully covered.
Repair, parts or another suitable solution where eligible
+02Cyrusher WARRANTY
Manufacturer warranty period2 years on the frame, motor and controller; 1 year on the battery, hydraulic brakes, fork, rear shock, display, pedal-assist sensor, charger, cockpit, seat post, bottom bracket, crankset, rear rack and shifting system.
Manufacturer cover
Confirmed manufacturer defects in the listed original components. An accepted warranty normally provides one replacement part for each eligible covered component.
Typical component protection
Eligible faults affecting the frame and forks, motor and drive system, controller, battery and BMS, charger, wiring, display, gears, brakes and factory-fitted controls.
Description
The Cyrusher Rumble 2.0 is a high-performance fat-tyre electric mountain bike built for riders who want power, endurance, and rugged capability. With a 250W road-legal motor (unlockable for higher output), a massive 52V 20Ah battery and full suspension, it’s designed for commuting, off-road adventures, and long-distance exploration.
Smooth Power Delivery Equipped with a 250W brushless rear hub motor, the Rumble 2.0 provides smooth and consistent assistance up to 25km/h, fully compliant with UK/EU regulations. Unlocking gives access to higher peak power for private/off-road use, delivering strong torque and confident climbing ability.
Comfort & Control 26” x 4.0” fat tyres offer outstanding grip and stability across sand, snow, gravel, and tarmac. Full suspension—front air-suspension fork and rear shock absorber—ensures a smooth, controlled ride on rough terrain. Hydraulic disc brakes provide responsive stopping power in all conditions.
Smart Battery System A 52V 20Ah lithium-ion battery powers the Rumble 2.0, delivering up to 100–120km of pedal-assist range depending on terrain and riding style. The battery is removable and lockable, and charging takes around 7–9 hours.
Tech You Can Trust A colour LCD display shows PAS level, speed, distance, trip data and battery status. Integrated LED headlights and a brake-activated rear light keep you visible and safe when riding at night or in low-light conditions.
Built for Everyday & Adventure Use With its rugged aluminium alloy frame and heavy-duty build, the Rumble 2.0 supports up to 150kg. Its combination of fat tyres, long-range battery and full suspension makes it versatile enough for city commuting and extreme outdoor rides.
Stay fully informed with the Rumble 2.0’s large LCD display. Track your speed, battery level, pedal assist mode, trip distance, and more — all in real time. Easy to read even in bright sunlight, it keeps you in control and helps you ride smarter.
Adaptable Gearing for Varied Riding Scenarios
The Shimano 7-speed derailleur provides smooth and accurate gear shifts, allowing riders to adjust to different terrains and riding preferences effortlessly.
Stability Across Diverse Terrains
Equipped with Chaoyang fat tires, the Rumble 2.0 offers enhanced traction and shock absorption, providing a comfortable ride on various surfaces, from city roads to gravel paths.
What’s Included in the Box?
1 x Cyrusher Rumble 2.0 Electric Bike
1 x Charger
2 x Keys
1 x Tool Kit
1 x User Manual
Assembly Information
Assembly Video
Watch the assembly guide below before first setup.
Yes. The step-through frame is easier to mount than a high step-over frame, and Cyrusher recommends riders around 155–190 cm (5'1"–6'2"). The payload rating is up to 350 lb.
The Rumble 2.0 uses a 48V 18Ah battery, with Cyrusher quoting up to 58 miles (94 km) per charge.
A full charge is typically around 6–7 hours. Range will be lower on steep hills, soft terrain or with high assist use.
It is well suited to hillier mixed riding. The 250W rear hub motor is rated up to 85 Nm, and the torque sensor plus Shimano 7-speed gearing help deliver strong, controlled assistance on climbs.
They provide plenty of grip, stability and cushioning on poor roads, gravel and mixed surfaces.
The trade-off is extra weight and rolling resistance compared with a narrower city tyre, so the Rumble feels more substantial than a lightweight commuter bike.
The Cyrusher Rumble 2.0 Electric Bike arrives mostly assembled. Final setup normally includes aligning and securing the handlebars, fitting the pedals and completing essential safety checks. Allow approximately 20–30 minutes, or select our professional assembly and PDI service.
The Cyrusher Rumble 2.0 Electric Bike is not fully waterproof. Avoid prolonged exposure to heavy rain, and never submerge or pressure wash the bike or its electrical components. After riding in wet conditions, wipe the bike dry and store it in a dry, sheltered location.
We have a real showroom and workshop in Nuneaton. See a selection of electric bikes, scooters and dirt bikes, speak to our team, and buy with confidence knowing who is here to help.