Cyrusher 20inch Aluminum Electric Bike, Rumble 25km/h Dual Hydraulic Disc Brakes, Black

£1,099.00 (as of 07/01/2025 15:25 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The Cyrusher Rumble is a step through fat tyre electric bike built for adults who want long range support, stronger braking, and better mixed terrain confidence. With a removable 48V 18Ah 864wh battery, 4 inch fat tyres, front suspension, dual hydraulic disc brakes, and a Shi mano 7 speed gear set, it is designed to make commuting and adventure riding feel more capable, more comfortable, and easier to manage.

SKU: B0DF2YNPX5 Category:

Quick Verdict

The Cyrusher Rumble is a strong choice for riders who want a step through fat tyre e bike with long pedal assist range, hydraulic braking confidence, and better all terrain comfort than a standard city model.

What This Product Is Used For

This is a step through fat tyre electric bike designed for commuting, leisure rides, and all terrain riding across tougher surfaces such as snow, mountains, beaches, and mud. Compared with a standard city e bike, it uses 4 inch premium fat tyres and a front suspension fork with adjustable shock absorbers for better grip and more comfort when the ground gets rough. It is built for adults who want a bike that can handle everyday use while still feeling capable on trails and mixed terrain. Riders choose it over simpler options because it combines a removable 48V 18Ah battery, hydraulic disc brakes, and a step through frame in one more versatile setup.

Who This Product Is Best Suited To

This product is best suited to riders who want easier access from a step through frame, stronger braking for mixed conditions, and a bike that feels more capable than a typical commuter model. It suits people who want electric support for longer rides, value removable battery convenience, and prefer a setup that can handle both day to day riding and rougher terrain with more confidence.

Key Benefits at a Glance

• 48V 18Ah removable battery gives strong support for longer pedal assist rides
• Claimed range up to 67 miles helps reduce charging worry on bigger journeys
• 4 inch premium fat tyres add reliable grip and stability on mixed terrain
• Front suspension fork with adjustable shock absorbers improves ride comfort
• Full hydraulic disc brakes provide safe and dependable stopping power
• Shi mano 7 speed gear shift system helps riders adapt to changing terrain
• Step through frame makes mounting and dismounting easier and more comfortable
• Aluminum frame offers a lighter and more corrosion resistant build than steel
• IP65 waterproof battery design adds more reassurance for everyday use
• Suitable for snow, mountains, beaches, and mud as well as regular riding

Pros and Cons

Pros
• More capable than a basic city e bike on rough and loose surfaces
• Hydraulic brakes add reassuring control in mixed weather conditions
• Step through design makes everyday use easier and more accessible

Cons
• Claimed maximum range is based on pedal assist mode with a 60kg rider
• Fat tyre design may feel bulkier than a slimmer commuter bike on pure road use

Real World Performance and Day to Day Use

In day to day use, the Cyrusher Rumble looks built for riders who want more than a road only commuter bike. The removable 48V 18Ah 864wh lithium battery is a major selling point, especially with a claimed range of up to 67 miles in pedal assist mode. That should appeal to riders who want fewer charging interruptions and the flexibility to remove the battery for charging at work or elsewhere. The IP65 waterproof design also adds reassurance for riders using the bike in changing conditions.

A common buyer worry with fat tyre electric bikes is whether they will feel difficult to control or too specialised for regular use. This model addresses that with a step through frame, a front suspension fork with adjustable shock absorbers, and full hydraulic disc brakes for more confident stopping in wet or loose conditions. Another major friction point is terrain flexibility, and the 4 inch premium fat tyres are clearly intended to help the bike cope with trails, snow, mountains, beaches, and mud. The Shi mano 7 speed gear set also gives riders more control when surfaces and gradients change.

Choose this if
You want a step through fat tyre e bike with long pedal assist range, stronger braking, and better mixed terrain comfort.

Skip this if
You want a slimmer city commuter for mainly smooth roads or do not need fat tyres for rougher surfaces.

Why We Like This Product

The YPC.co.uk Team likes this because it gives riders a more capable all terrain option while helping avoid the mistake of choosing a standard commuter e bike that feels out of its depth on rougher ground. It also helps reduce the regret of buying a fat tyre bike that lacks the braking confidence and access convenience needed for regular use.

Comparisons With Similar Systems

Compared with standard city electric bikes

Better when

You want more grip, more suspension comfort, and better control on rougher or looser terrain

Alternative better when

You mainly ride on smooth roads and want a slimmer lighter road focused setup

Compared with high frame fat tyre electric bikes

Better when

You want easier access and a more comfortable step through design for daily riding

Alternative better when

You prefer a more traditional frame shape and do not need step through entry

Alternatives Worth Considering

Standard city electric bikes, high frame fat tyre electric bikes, folding fat tyre electric bikes, hybrid electric bikes, commuter e bikes

Tips for Getting the Best Performance

Use pedal assist mode when you want to make the most of the stated range. Remove the battery for convenient charging if storing the whole bike indoors is awkward. Adjust the front suspension fork to better suit the terrain and your comfort preference. Use the 7 speed gearing to match gradients and changing surfaces rather than relying only on motor assistance. Check tyre condition and brake response regularly if you ride in wet, snowy, or muddy environments.

Full Technical Specification

Product Type

Step through fat tyre electric bike

Brand

Cyrusher

Model

Rumble

Colour

Black

Wheel Size

20inch

Top Speed

15mph

Battery

48V 18Ah removable rechargeable 21700 lithium battery

Battery Capacity

864wh

Battery Protection

IP65 waterproof design

Claimed Range

Up to 67 miles in pedal assist mode

Range Condition Stated

Based on a 60kg rider in pedal assist mode

Tyres

4 inch premium fat tyres

Suspension

Front suspension fork
Adjustable shock absorbers

Brakes

Dual hydraulic disc brakes
Anti slip grip brake levers with motor cutoff switch

Gears

Shi mano 7 speed gear set

Frame Material

Aluminum

Frame Style

Step through

Recommended Rider Height

5’1″ to 5’11”
155cm to 180cm

Terrain Suitability

Trails
Snow
Mountains
Beaches
Mud

Warranty

2 year frame warranty
1 year warranty for parts and battery

Buyer’s Guide

Buy this if you want an easier, safer, and stronger fat tyre e bike for longer rides and rougher terrain.
Do not buy this if you want a simpler, slimmer, and faster feeling city bike mainly for smooth road commuting.

Frequently Asked Questions

What is the Cyrusher Rumble used for?

Cyrusher Rumble is designed for commuting, leisure rides, and all terrain riding across surfaces such as snow, mountains, beaches, and mud.

How far can the Cyrusher Rumble go on one charge?

Cyrusher Rumble is stated to reach up to 67 miles in pedal assist mode, based on a 60kg rider.

Does this bike have a removable battery?

Cyrusher Rumble includes a removable 48V 18Ah 864wh lithium battery for more convenient charging.

Is this a step through electric bike?

Cyrusher Rumble uses a step through frame, which makes mounting and dismounting easier for many riders.

What kind of tyres does this bike have?

Cyrusher Rumble uses 4 inch premium fat tyres for stronger grip and better stability on mixed terrain.

Does it have hydraulic brakes?

Cyrusher Rumble includes dual hydraulic disc brakes with anti slip grip brake levers and a motor cutoff switch.

What suspension does it use?

Cyrusher Rumble includes a front suspension fork with adjustable shock absorbers to improve comfort on rougher ground.

Who is this bike best suited to?

Cyrusher Rumble is designed for riders between 5’1″ and 5’11”, or 155cm to 180cm, who want a more capable step through fat tyre e bike.

Is the frame aluminum or steel?

Cyrusher Rumble uses an aluminum frame, which is described as lighter and more corrosion resistant than steel.

What warranty does this bike include?

Cyrusher Rumble includes a 2 year warranty for the frame and a 1 year warranty for parts and the battery.

Brand

Cyrusher

Manufacturer

Cyrusher

Product Group

Sports

Warranty

2 years for the frame and motor, 1 year for parts and the battery.

Color

Rumble Full aluminum alloy bike

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