Quick Verdict
The JESRIDER K820 is a practical choice if you want a long range electric bike with removable battery power, multiple riding modes, and features aimed at mixed city and hill use.
What This Product Is Used For
The JESRIDER K820 is an electric bike designed for commuting, leisure riding, and mixed use across hills, city streets, and rougher routes. Compared with a standard pedal bike, it adds electric assistance, a removable 48V 17.5Ah battery, and multiple riding modes to make longer journeys and tougher climbs feel more manageable. It also includes front suspension, hydraulic disc brakes, and a smart LCD display, which gives it a more capable setup than a basic commuter bike. Buyers usually choose this type of ebike over simpler options because it offers more range, more support on harder routes, and more flexibility for different riding conditions.
Who This Product Is Best Suited To
This product is best suited to riders who want one bike that can handle daily travel, longer weekend rides, and mixed surfaces without feeling too limited. It works well for people who value battery range, easier hill riding, and the option to switch between assisted and classic cycling. It also suits buyers who want useful extras in the box and a bike that arrives mostly pre assembled.
Key Benefits at a Glance
• 250W electric bike setup offers easier support for commuting and leisure riding
• 48V 17.5Ah removable lithium battery gives a useful official range of 60 to 100 kilometres
• 21 speeds add more flexibility across hills, city routes, and changing terrain
• Multiple riding modes make it simple to switch the ride style to suit the journey
• Smart LCD display helps keep speed and mode adjustments easy
• Dual hydraulic disc brakes add stronger and more reassuring stopping control
• Dual fork suspension with lockout improves comfort on rougher routes
• 6061 aluminium frame gives a durable and practical bike base
• 85 percent pre assembled design helps setup feel quicker and simpler
• Included mudguards, charger, air pump, and lock add everyday convenience
Pros and Cons
Pros
• Large removable battery makes longer rides feel more realistic and convenient
• Multiple riding modes give useful flexibility for commuting and leisure use
• Included extras help the bike feel more complete from the start
Cons
• Actual range will vary depending on speed, load, road conditions, and riding mode
• Final assembly is still required even though it arrives mostly pre built
Real World Performance and Day to Day Use
In real use, the JESRIDER K820 is built to give riders more confidence on mixed routes where a standard bike may feel harder work. The 48V 17.5Ah removable lithium battery is the main headline feature here, with an official range of 60 to 100 kilometres depending on speed setting, load, road conditions, and riding mode. That makes it better suited to riders who want more than short local trips. The 21 speed setup also gives you more control when the terrain changes, which helps on hills and variable urban routes.
Comfort and control are another big part of the everyday experience. The bike includes dual hydraulic disc brakes and dual fork suspension with lockout, which should help make rougher surfaces and changing conditions feel easier to manage. The smart LCD display adds convenience for switching modes and checking riding information, while the 85 percent pre assembled setup helps reduce some of the usual hassle that comes with a larger bike delivery.
Choose this if
You want a long range electric bike with removable battery power, riding mode flexibility, and useful commuting extras.
Skip this if
You want a simpler non electric bike or do not want to deal with charging, setup, and battery based riding.
Why We Like This Product
The YPC.co.uk Team likes this because it combines strong battery capacity, useful riding mode choice, and practical extras in a package built for everyday riding rather than just looking impressive on paper. It also helps buyers avoid the mistake of choosing an electric bike with limited range or a very bare specification. Just as importantly, it reduces the regret of buying an ebike that feels under equipped once real commuting and mixed route riding begin.
Comparisons With Similar Systems
Compared with standard commuter bike
Better when
You want electric assistance, longer riding range, and more help on hills
Alternative better when
You want a lighter and simpler bike with no charging required
Compared with basic electric bike
Better when
You want higher battery capacity, hydraulic disc brakes, and more included extras
Alternative better when
You only need shorter distance support and a more stripped back ebike setup
Alternatives Worth Considering
Standard commuter bikes
Basic electric bikes
Electric mountain bikes
Hybrid electric bikes
Long range commuter ebikes
Tips for Getting the Best Performance
Charge the removable battery fully before longer rides so you get the best possible range.
Choose the riding mode that matches the route instead of using the same setting for every journey.
Use the suspension lockout when conditions suit it so the ride feels more controlled.
Check tyre pressure regularly if you are using the bike across mixed surfaces and wetter routes.
Complete the final assembly carefully using the included tools before first use.
Full Technical Specification
Product Type
Electric bike
Brand
JESRIDER
Model
K820
Motor Power
250W
Battery
48V 17.5Ah removable lithium battery
Official Range
60 to 100 kilometres
Gears
21 speeds
Suspension
Dual fork suspension
Suspension Features
Lockout
Brakes
Dual hydraulic disc brakes
Frame Material
6061 aluminium
Display
Smart LCD display
Riding Modes
Cruise control mode
Riding Modes
Assist mode
Riding Modes
Classic bike mode
Tyre Size
26 x 1.95 inch
Assembly
85 percent pre assembled
Included Accessories
UK 3 pin smart charger
Included Accessories
Sold Secure rated D lock
Included Accessories
Full mudguards
Included Accessories
Air pump
Support
24 hour UK warehouse based support
Warranty
1 year warranty
Colour
Yellow
Buyer’s Guide
Buy this if you want easier hill riding, stronger braking, and longer electric range for commuting or leisure use.
Do not buy this if you want a simpler, lighter bike or prefer a faster no charging cycling routine.
Frequently Asked Questions
What battery does the JESRIDER K820 use?
JESRIDER K820 uses a 48V 17.5Ah removable lithium battery.
What range is listed for this electric bike?
JESRIDER K820 has an official listed range of 60 to 100 kilometres, with actual distance varying by riding conditions and mode.
How many gears does this ebike have?
JESRIDER K820 includes a 21 speed gear setup.
What braking system does the bike use?
JESRIDER K820 is fitted with dual hydraulic disc brakes.
Does this bike include suspension?
JESRIDER K820 includes dual fork suspension with lockout.
What riding modes are available?
JESRIDER K820 offers cruise control mode, assist mode, and classic bike mode.
Is the bike fully assembled on arrival?
JESRIDER K820 arrives 85 percent pre assembled and includes tools for final setup.
What accessories come in the package?
JESRIDER K820 includes a UK 3 pin smart charger, a Sold Secure rated D lock, full mudguards, and an air pump.













