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Days

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Hours

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Mins

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Secs
Range
58 Miles
Top Speed
15.5 MPH
Battery
48V 18Ah
Motor
250W (limited)
Payload Capacity
350 lbs
Sensor
Cadence Sensor

Rumble Step-Through Ebike

Overview

Description

It is combining ease of use, power, and speed. The Rumble step-through offers a flexible and durable ride with a top speed of 20–25 mph thanks to its dynamic 250W geared hub motor and detachable 48V 18AH battery. Robust 4" fat tires ensure smooth rolling on any terrain by offering outstanding traction and stability.

Designed for Your Comfort

Shimano cues 7-speed shifter

Powerful Motor and Versatile Gearing: With a 250W(limited) motor and a Shimano 7S gearing system, our electricmotorcycle can easily manage busy metropolitanstreets as well as peaceful country roads.

Cushion that Absorbs Shock

Furnished with a dual-shock seat that perfectly cushions the rider. An incredibly smooth and pleasuralble ride is guaranteed by this sea.

Front and Rear Disc Brakes

The e-bike's 180mm hydlrqulic disc brake significantly increased stopping power and smoothness while producing less noise. On wet days or On slick roads, you may stop using the quick-response brake.

Intelligent Speed Management

Rumble's current iteration has a speed restriction. To unlock at a faster pace, follow the instructions in the box.

20"x 4" Fat Tire

With its front suspension and 20" x4" puncture-resistant Chaoyang fat tire, it can handle gravel paths, icy conditions, and level highways while maintaining superior traction.

Handlebar Grips

Crafted with precision and designed for ultimate comfort, these handlebar grips are the perfect addition to your electric bike

250W PERFORMANCE MOTOR

Power Up Your Ride

The robust 250 W transmission effortlessly handles any road conditions, enhancing the enjoyment and ease of daily commuting as well as recreational riding. This powerful engine performs well over long distances, offering a satisfying on-road riding experience. The Rumble is designed to make it easy for you to navigate all types of terrain, from winding mountain trails to flat urban streets.

On a single charge, the Rumble's high-capacity 48V 18Ah battery provides an amazing range of up to 58 miles. You can take long trips without worrying about running out of battery thanks to this long-range capability. With confidence, venture down new roads and cover more ground than ever before.

STEP-THROUGH DESIGN

Easy to Go On and Off

No matter your age or ability, you can get on and off with ease. A seat that can be adjusted to fit your exact comfort level will be gentle on your hips and back. Not only do the sleek integrated frame and matching rear rack look amazing, they also carry all of your necessities. It is prepared for all of your daily escapades and impromptu road trips.

Watch Rumble E-bikes in Motion

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Cyrusher Rumble Review - BEST Fat Tyre EBike?!

Cyrusher Rumble Review - BEST Fat Tyre EBike?! BizdustryEV
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Cyrusher Rumble Step-Through Ebike Unboxing Review with plenty of Torque for those steep hills

Cyrusher Rumble Step-Through Ebike Unboxing Review with plenty of Torque for those steep hills BACONBUTTTIES
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The Cyrusher Rumble step through fat tire Ebike 👍👍👍👍👍

The Cyrusher Rumble step through fat tire Ebike 👍👍👍👍👍 One Man and His Whippet
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Cyrusher Rumble SHOCKS Me with Its Performance!

Cyrusher Rumble SHOCKS Me with Its Performance! Butlersempire
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Cyrusher Rumble is a Great Value 20x4 Fat Tire E-bike

Cyrusher Rumble is a Great Value 20x4 Fat Tire E-bike Chris Crossed
Size & Fit

Reach

Standover Height
Wheelbase
Total Length
Min Saddle Height
Max Saddle Height
Rider Height

17.7''/45cm

41cm
47''/120cm
69''/176cm
33.5''/85cm
43''/110cm
5'1" ~ 6'2" (155cm ~ 190cm)
Technical Specifications
Battery48V 18Ah
Charger48V 3.0A
Charging Time6~7 hours
Battery Lifetime800 cycles
Speed ClassUp to 25 kph on Level 5 PAS
Weight 70.32lbs(31.9 KG) With Battery
RangeUp To 58 Miles (94 Km)
Motor48V 250W 65 N.m Brushless Rear Hub Motor
Payload Capacity350 lbs
Mechanical
Tires Chaoyang 20" X 4" Puncture-Resistant Fat Tires
Display 3.5" LCD display, Colorful Smart Computer
Brakes Fully Hydraulic Disc Brakes 180mm Front + Rear
Crank Set 170Mm Forged 52T Alloy Dual-Sided Aluminum
Chain KMC Stainless Chain
Transmission 52T Chain Ring+ Shimano 7 Speed Freewheel
Front SuspensionOil &Spring Suspension fork with adjustment
Frame6061 Aluminum Alloy with Internal Battery
GearingShimano 7-speeds
Throttle No Throttle
Kickstand6061 Aluminum Kickstand
RimsAluminum Alloy
SaddleBreathable Ergonomic Sport Cushion Seat
Seat post31.9mm /Adjustable height
Sensor Cadence Sensors
Spokes12-Gauge Stainless Steel
Warranty & Note
Frame2 years
Parts1 year
Battery1 year
In The Box Battery, Charger, Air Pump, Assembly Toolset
Terms & ConditionsThis warranty only applies to the original owner of a Cyrusher and is limited to the replacement of defective parts. Cyrusher covers the cost of the replacement, buyer is responsible for the shipping cost.

Riding Gallery

Customer Reviews

Based on 23 reviews
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Stuart Biswell
Amazing!

Love the size of this bike! I sold my other electric bike which was more of a mountain bike style and love this so much better. I feel safer, it is lower to the ground allowing me to plant both feet on the ground while sitting on the bike. Both my husband I each have one and we love them.

Thank you for taking the time to leave a review! We are thrilled to hear that you are loving your Rumble Step-Through Ebike. We designed it with safety and comfort in mind, and we're glad to hear that you feel more secure with the lower frame. We hope you and your husband enjoy many more rides together on your new bikes. Happy biking!

P
Paul Phillips (Dunfermline, United Kingdom)
Love my Rumble

The bike turned up in one box with a full set of tools and an assembly guide. It was easy to put together other than the riser valve screws were very tight - think they were machined in place so perhaps look at not tightening them too much please. Instructions for the LCD readout screen are easy to understand and the extra large tyres are great for crossing rougher ground. Real pleasure to ride and highly recommended, especially for older folk like me who need help to get up hills!

Thank you for such an amazing review. We are so glad you're having a blast with your bike! Happy riding!

D
D Knowles (Portsmouth, United Kingdom)
Lovely bike

Love the bike .I have issues with walking, after an RTA, long distances so don't go as far as i like to when we go out, the bike enables me to get right out int the countyside and gives me great confidence riding again

Hi there! We're so happy to hear that you're loving your Rumble Step-Through Ebike. Thank you for sharing your experience with us. Happy riding!

R
Rob Grimes (London, United Kingdom)
Get ready to Rumble!

Love this bike, I like when things are kept simple, but efficient! The process from unpacking, setting up and heading off on your first ride is so simple, easy to follow and great fun! This bike is a must for anyone wanting to get out and enjoy the freedom that an E-Bike can bring! The best thing is i've had 2 knee reconstructions and this bike allows me the freedom to ride pain free! Thanks Cyrusher!!

Thank you so much for your wonderful review! We're thrilled to hear that you're enjoying your Rumble Step-Through Ebike and that it's been a life-changing experience for you. Our goal is to make riding as simple and hassle-free as possible, so we're glad to hear that you found the unpacking and set up process easy and fun. We hope you continue to enjoy the freedom and pain-free rides with your new ebike. Ride on!

L
Linda Lewis (Chesterfield, United Kingdom)
Great bike

Bought for my daughter to get to work on first day she struggled but once she knew what she was doing it's brilliant

Hi there! We're thrilled to hear that the Rumble Step-Through Ebike is working out well for your daughter's commute. We understand that getting used to a new bike can be tricky, but we're glad to hear she's now enjoying it. Thank you for sharing your feedback with us. Happy riding!

R
Ryo Kamatsu (Camden, United Kingdom)
Amazing budget e-bike

Great budget bike. Using it to commute (nearly 50km per day), powerful motor, long range battery, comfortable seat and riding position.

Thank you for your amazing review of our Rumble bike! We are glad that the powerful motor and long range battery have been able to support your 50km journey. Thank you for choosing our product and happy riding!

C
Chris (Trowbridge, United Kingdom)
Rumble Ebike 👍

Fantastic ebike at a nice price!
Very comfortable ride with plenty of power for flying up the hills in and around my hilly town centre.
Also the local CYrusher agent Denis has a great technical knowledge of the Rumble ebike.
Plus on placing the purchase order the bike arrived rapidly within a few days.

Hi there! Thank you so much for taking the time to leave us such a positive review. We're thrilled to hear that you're enjoying your Rumble Step-Through Ebike and that it's been a great fit for your hilly town. Happy riding! ‍♂️

I
Ian Lamkin (Frome, United Kingdom)
Rumble Step-through E-bike

Great bike….. Great service…. Great Price…. Great ambassador Denis !

Thank you for your kind words and for choosing our Rumble Step-through Ebike. We're glad to hear that you're satisfied with your purchase and our service. Happy riding!