Quick Verdict
The cysum Speedy is a strong choice for riders who want a capable electric mountain bike with useful range, confident braking, and stable 29 inch wheels for commuting or longer mixed terrain rides.
What This Product Is Used For
This is an electric mountain bike designed for longer rides, commuting, and mixed terrain cycling where extra support on hills and rougher ground is useful. Compared with a standard non electric mountain bike, it gives you powered assistance through a 75 Nm torque motor and a 48V 672Wh lithium battery, making climbs and longer journeys feel easier and less tiring. The 29 inch tyres also give it a more planted feel than smaller wheel alternatives. Riders often choose this type of bike over simpler options because it offers more support, more range, and a smoother ride across varied terrain.
Who This Product Is Best Suited To
This product is best suited to riders who want one bike that can handle weekday travel and more adventurous leisure rides without feeling too limited. It works well for people who value stronger motor support on hills, want a bike that feels stable over rougher surfaces, and prefer useful ride data on an LCD display. It also suits buyers who want the option to switch between pure electric riding, pedal assist, and normal cycling depending on the journey.
Key Benefits at a Glance
• 75 Nm torque motor helps make climbing feel easier
• 48V 672Wh lithium battery adds strong long ride potential
• Claimed range of up to 100 km supports longer journeys
• 29 inch tyres improve traction and stability
• Hydraulic disc brakes provide reliable stopping reassurance
• Suspension front fork helps smooth out bumps and vibration
• Three riding modes make everyday use more flexible
Pros and Cons
Pros
• Strong torque output makes hills and rougher routes feel easier
• Larger 29 inch tyres help create a stable and controlled ride
• Hydraulic disc brakes add more confident stopping power
Cons
• 7 speed setup may feel basic to riders who prefer a wider gear range
• Larger wheel format may not suit buyers looking for a more compact bike
Real World Performance and Day to Day Use
In day to day use, the cysum Speedy is built for riders who want more than a simple point to point commuter. The 75 Nm torque motor and 48V 672Wh lithium battery give it the kind of support that helps on steeper hills and longer rides, while the stated range of up to 100 km makes it more attractive for buyers who do not want to think about charging after every shorter journey. With a top speed of 25 km/h, it stays practical for regular everyday riding.
One of the biggest buyer worries with an electric mountain bike is whether it will feel stable and controlled once the surface gets rougher. This model addresses that well with 29 inch tyres for improved traction and stability, a suspension front fork to absorb shock and vibration, and hydraulic disc brakes for stronger stopping confidence. The LCD display also helps reduce uncertainty while riding by showing real time information such as speed, battery life, and distance.
Choose this if
You want an electric mountain bike that makes longer rides, hills, and mixed terrain feel easier with strong range and confident braking.
Skip this if
You want a smaller more compact ebike or prefer a simpler road focused setup for smooth city routes only.
Why We Like This Product
The YPC.co.uk Team likes this because it combines useful battery range, strong hill support, and stable larger wheels in one practical electric bike. It helps buyers avoid the mistake of choosing an ebike that feels underpowered on climbs, and it reduces the regret of buying a model that lacks the braking confidence and ride comfort needed for mixed terrain use.
Comparisons With Similar Systems
Compared with commuter electric bike
Better when
You want larger wheels, stronger hill support, and more confidence on rougher routes as well as everyday roads.
Alternative better when
You mainly ride on smooth streets and want a more urban focused setup.
Compared with non electric mountain bike
Better when
You want powered support for longer rides, easier climbing, and less effort on mixed terrain.
Alternative better when
You prefer a fully manual ride and do not need battery powered assistance.
Alternatives Worth Considering
Commuter electric bike
Hybrid electric bike
Non electric mountain bike
Hardtail trail bike
Fat tyre electric bike
Tips for Getting the Best Performance
Use pedal assist for longer rides when you want to balance support and battery life. Make full use of the 5 pedal assist levels so the bike matches the terrain rather than staying in one setting all the time. Check tyre pressure regularly to keep the 29 inch wheels feeling stable and controlled. Keep the brakes and suspension fork in good order if you ride on rougher surfaces often.
Full Technical Specification
Brand
cysum
Model
Speedy
Product Type
Electric mountain bike
Colour
Green
Motor Torque
75 Nm
Maximum Speed
25 km/h
Battery
48V 672Wh lithium battery
Claimed Range
Up to 100 km
Wheel Size
29 inch
Tyre Features
Anti slip and wear resistant
Brakes
Hydraulic disc brakes
Lighting
LED front light
Reflector
Taillight
Transmission
7 speed
Suspension
Front suspension fork
Riding Modes
Pure electric mode
Pedal assist mode
Bicycle mode
Pedal Assist Levels
5
Display
LCD display
Display Information
Speed
Battery life
Distance
Buyer’s Guide
Buy this if you want an easier, stronger way to ride longer distances with better hill support, smoother comfort, and safer braking.
Do not buy this if you want a simpler city only bike or a smaller setup that feels easier to store and move around.
Frequently Asked Questions
What is the cysum Speedy electric bike used for?
The cysum Speedy is used for commuting, longer rides, and mixed terrain cycling where extra support and stability are useful.
What motor output does the cysum Speedy provide?
The cysum Speedy is listed with a motor torque figure of 75 Nm.
How fast can this electric bike go?
The cysum Speedy has a stated top speed of 25 km/h.
What battery does this ebike use?
The cysum Speedy uses a 48V 672Wh lithium battery.
What range is claimed for this electric mountain bike?
The cysum Speedy is listed with a claimed range of up to 100 km on a single charge.
What size tyres does this bike have?
The cysum Speedy uses 29 inch tyres.
Does this electric bike have hydraulic brakes?
The cysum Speedy is equipped with hydraulic disc brakes for stronger stopping power.
Does the bike have suspension?
The cysum Speedy includes a suspension front fork to absorb shock and vibration.
What riding modes are available?
The cysum Speedy offers pure electric mode, pedal assist mode, and bicycle mode.
What information does the LCD display show?
The LCD display on the cysum Speedy shows real time information including speed, battery life, and distance.












