
Jasion EB5 40Miles 20MPH Commuting Electric Mountain Bike
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Our take on the Jasion EB5 40Miles 20MPH Commuting Electric Mountain Bike
The Jasion EB5 is a budget-class electric mountain bike with a 350W rear hub motor, a 36V battery and 26-inch knobby tires. Jasion rates it for up to 40 miles of assisted range and a 20 mph top speed, which puts it in line with other entry-level commuter e-MTBs. It suits riders who want a low-cost way to flatten a hilly commute or ride light trails without paying premium-brand money. The trade-off is weight and basic components: expect a heavy frame, mechanical disc brakes and a cadence sensor rather than a torque sensor.
- 350W motor reaches 20 mph
- Up to 40 miles of pedal-assisted range
- 26-inch knobby tires handle dirt and pavement
- Front suspension fork softens rough roads
- Removable battery for charging indoors
- Includes lights and a rear rack on most builds
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What reviewers say
Owners treat the EB5 as a solid value commuter that does the basics well. Most praise the motor assist on hills and the comfortable ride, while complaints center on weight, brake setup and range falling short of the claim.
- Motor powerPraisedRiders say the 350W motor pulls them up hills and holds 20 mph without much effort.
- RangeMixedSome owners get close to the claimed 40 miles in low assist, but throttle use and cold weather cut it well short.
- WeightCriticisedOwners find the bike heavy to lift, carry up stairs or load onto a rack.
Questions and answers
- How far can the Jasion EB5 really go on a charge?
- Jasion rates it at up to 40 miles. Expect closer to 20 to 30 miles in mixed assist, and less if you lean on the throttle or ride in cold weather.
- How fast does it go?
- The motor assists up to 20 mph, the Class 2 limit. Above that you pedal the bike on your own.
- Is it good for commuting?
- Yes, for shorter and moderate commutes. It has lights, a rack on most builds and enough assist for hills, but it is heavy to carry into an office or up stairs.
- Does it work as a regular mountain bike?
- It can handle gravel and light trails thanks to the knobby tires and front suspension. It is not built for aggressive downhill or jumps.
- How hard is assembly?
- Most of the bike arrives assembled. You attach the front wheel, handlebars, pedals and seat, then check the brakes and derailleur, which can take an hour or more.
- Can the battery be removed?
- Yes. The battery is removable, so you can charge it indoors or swap it, though a spare adds cost.








