Ebike Oracle

Spec-verified head-to-head

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Quick answer

Who wins each category

  • CargoJasion Roamer ST
  • MotorTie
  • RangeJasion Roamer ST
  • ValueHeybike Cityscape 2.0
  • BrakesJasion Roamer ST
  • BatteryJasion Roamer ST
  • WarrantyHeybike Cityscape 2.0
  • VersatilityHeybike Cityscape 2.0
SpecHeybike Cityscape 2.0Jasion Roamer ST
Motor1200 W750 W
Battery468 Wh528 Wh
Range50 mi35 mi

Pick Heybike Cityscape 2.0 if

Pick the Heybike Cityscape 2.0 if price and class flexibility lead: $609 at our last check, and #11 in Amazon's Electric City Bikes (October 2026). Its display switches between Class 3, Class 2 and Class 1, so one bike can follow a 28 mph road commute and a Class 1-only trail rule. It pairs a 750 W rated (1200 W peak) motor with a removable 468 Wh battery, records UL 2849 plus UL 2271, and carries two years on the frame. The catches: mechanical disc brakes, 62 lb, and no rack, fenders or cruise control listed in our review.

Pick Jasion Roamer ST if

Pick the Jasion Roamer ST if brakes and included kit matter more to you than price: $719 at our last check. It comes with hydraulic disc brakes on 180 mm rotors, cruise control, a rear rack, full fenders and battery-wired lights, plus a removable 528 Wh battery behind a 750 W rated (1200 W peak) motor that matches the Cityscape on paper. The listing title says "UL2849 Certified", with no lab named. The catches: cadence-sensor assist, a basic spring fork, six months of frame cover, and no class setting recorded in our review. Best for commuters with long descents and riders who need a step-through.

See Heybike Cityscape 2.0 price at Amazon

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See Jasion Roamer ST price at Amazon

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Quick answer: Cityscape 2.0 or Roamer ST?

  • Check the two prices first. The Heybike Cityscape 2.0 was $609 and the Jasion Roamer ST $719 at our last check. On October 4, 2026 the gap favored the Cityscape by a wide margin.
  • Buy the Cityscape 2.0 if some of your paths or trails allow only Class 1 or Class 2. Its display switches it down from Class 3, and our Roamer ST review records no such setting.
  • Buy the Cityscape 2.0 if the frame warranty matters: Heybike gives two years on the frame, Jasion six months.
  • Buy the Roamer ST if your route has long descents. It has hydraulic disc brakes, the Cityscape mechanical ones, both on 180 mm rotors.
  • Buy the Roamer ST if you want it ready to commute: cruise control, a rear rack, full fenders and front and rear lights wired to the battery are standard.
  • Buy the Roamer ST if you want more battery: 528 Wh against 468 Wh, about 13% more, on a bike listed 2 lb lighter (60 lb against 62 lb).

Heybike Cityscape 2.0 vs Jasion Roamer ST specs

Spec Heybike Cityscape 2.0 Jasion Roamer ST
Price (Amazon US, last check) $609 $719
Amazon rank (October 2026) #11 in Electric City Bikes #233 in Electric Mountain Bikes
Frame 26 in step-through 26 in step-through
Class as sold Class 3: assist to 28 mph, throttle to 20 mph Class 3: 28 mph per the listing title
Class modes Display switches to Class 2 or Class 1 None recorded in our review
Motor, rated 750 W 750 W
Motor, peak 1200 W 1200 W (Jasion marketing figure)
Torque 75 Nm 75 Nm
Battery 36 V x 13 Ah, about 468 Wh, removable 36 V x 14.6 Ah, 528 Wh, removable
Claimed range 50 mi (lowest assist, 165 lb rider, flat ground) 40-62 mi
Range at 15-20 Wh per mile (our arithmetic) About 23-31 mi About 26-35 mi
Assist sensor Not named in our review Cadence
Brakes Mechanical disc, 180 mm rotors Hydraulic disc, 180 mm rotors
Front suspension Fork, 60 mm travel Basic spring fork, not adjustable
Drivetrain 7-speed Shimano Tourney 7-speed Shimano
Cruise control Not listed in our review Yes
Rack, fenders, lights Not listed in our review Rear rack, full fenders, front and rear lights
Weight 62 lb 60 lb
Max load 330 lb 330 lb
UL claim UL 2849 (bike system) and UL 2271 (cells), no lab named "UL2849 Certified" in the listing title, no lab named
Warranty 2 years frame, 1 year battery 1 year motor and battery, 6 months frame and components

Which is the better value?

Price is where these two listings move most, so compare the live figures: the Heybike Cityscape 2.0 at $609 against the Jasion Roamer ST at $719 at our last check. When we rewrote this page on October 4, 2026, the Cityscape was the cheaper bike by a wide margin, and that gap is the strongest reason to choose it.

What the Roamer ST adds is hardware: hydraulic brakes, 60 Wh more battery, cruise control, a rack and fenders. The narrower the price gap, the more those extras are worth. If you would otherwise buy a rack and fenders for the Cityscape, count that in too.

Is the Cityscape's motor stronger than the Roamer ST's?

No. On paper the two motors are the same: a 750 W rated rear hub that peaks at 1200 W, with 75 Nm of torque. Heybike's product page gives the Cityscape 2.0 as 1200 W peak and 750 W rated continuous, and Jasion lists the Roamer ST at 750 W rated and markets the same 1200 W peak. Our catalogue stores the Cityscape's peak figure and the Roamer's rated one, so any readout showing 1200 W against 750 W is setting a peak number against a rated one.

Both state 750 W rated, the cap in the federal consumer-product definition of a low-speed electric bicycle (15 U.S.C. 2085). We have not ridden either bike, so we cannot tell you which climbs better.

Which goes further on a charge?

The Jasion Roamer ST should, because its 528 Wh battery (36 V x 14.6 Ah) holds about 13% more energy than the Heybike Cityscape 2.0's 468 Wh (36 V x 13 Ah). The brand claims are not like for like: Heybike's 50 mi assumes the lowest assist level, a 165 lb rider, flat ground and steady pedaling, and Jasion claims 40-62 mi.

Run both packs through the 15-20 Wh per mile of mixed assist our Cityscape review uses and you get roughly 23-31 mi for the Cityscape and 26-35 mi for the Roamer ST. Our Roamer review's own planning estimate is 28-38 mi at mid assist with a 170 lb rider, and closer to 22 mi held at 28 mph. These are estimates, not measurements, and cold weather typically costs a lithium pack another 15-20%. Both batteries are removable. Try your own numbers in our range calculator.

Which has better brakes?

The Jasion Roamer ST has the better brakes: hydraulic discs, where the Heybike Cityscape 2.0 uses mechanical discs, and both run 180 mm rotors. Our Cityscape review lists fade on long descents as a con of its mechanical brakes.

As a general rule, hydraulic calipers need less lever effort and take up pad wear on their own, while cable-operated mechanical calipers need the cable adjusted as the pads wear. On a flat city grid you may rarely notice the difference. If your commute ends in a long downhill, ridden at Class 3 speed, it is the spec on this page we would weigh first.

Which is street legal, and where can you ride each one?

Both are sold as Class 3 e-bikes, pedal assist to 28 mph with a 750 W rated motor, but only the Heybike Cityscape 2.0 lets you change class. Its display switches it from Class 3 (assist to 28 mph, throttle to 20 mph) down to Class 2 (throttle and assist to 20 mph) or Class 1 (pedal assist only, to 20 mph). That matters because many trail networks admit only Class 1 or Class 2, and Washington and Colorado keep Class 3 off shared-use paths by default. Under the three-class system Class 3 is pedal assist and usually has no throttle, so if a local rule objects to a throttle on a 28 mph bike, ride the Cityscape in its Class 2 mode.

The Jasion Roamer ST's listing title states 28 mph, which makes it a Class 3 bike. Our review of it records no throttle and no class setting, so check the manual for a speed-limit option before riding where Class 3 is restricted. California requires a helmet at every age on a Class 3 bike, New Jersey and Hawaii require e-bike registration, and our state-by-state guide covers the rest.

Which is safer to charge indoors?

Both listings claim UL 2849, the safety standard for an e-bike's complete electrical system, and neither review names the lab that certified it. Our Heybike Cityscape 2.0 review records UL 2849 for the bike system plus UL 2271 at the cell level. The Jasion Roamer ST's Amazon listing title says "UL2849 Certified"; our review notes that UL 2849 brings in UL 2271 pack testing by reference, and records no separate UL 2271 claim.

Both batteries come out of the frame, so either can be charged indoors without bringing the bike in. If your building or employer asks for proof, get the certificate number from the seller before you buy. California SB 1271 requires UL 2849 and UL 2271 for e-bikes sold in the state from January 1, 2026, and our battery fire safety guide explains what each standard tests.

Which is better built?

Neither review gives us evidence to call one bike better built, and the one hard difference is the warranty, which favors the Heybike Cityscape 2.0. Heybike covers the frame for two years and the battery for one. Jasion covers the Roamer ST motor and battery for one year, and its frame and components for six months.

Both are step-through frames sold for 28 mph, and a step-through needs more careful tubing layout to limit flex than a closed frame. Jasion publishes no frame-stiffness data, our Cityscape review records none for Heybike, and we have not ridden either bike. Owner ratings are a weak stand-in and these two are not like for like: the Cityscape listing carried over 600 ratings at a 4.2-star average when we checked in August 2026, while the Roamer ST showed 4.5 stars from 43 reviews in May 2026 on a listing Jasion has since replaced.

The other trade-offs are the ones each review lists. The Cityscape weighs 62 lb, has a basic LCD with no app and no seat-post suspension, though its front fork has 60 mm of travel. The Roamer ST weighs 60 lb, uses cadence-sensor assist that switches power on and off rather than following your effort, and has a basic spring fork that does not adjust. Its Amazon listing is a parent page covering the Roamer, Roamer ST and Roamer Pro, so check that the variant you select says ST before checkout.

Verdict

The Heybike Cityscape 2.0 and the Jasion Roamer ST share a frame style, a class and, on paper, a motor, so the choice comes down to price against kit. Pick the Cityscape if it is still the cheaper of the two when you check out (it was, by a wide margin, on October 4, 2026), if you need to ride as Class 1 or Class 2 on some routes, or if a two-year frame warranty matters to you. Pick the Roamer ST if your route has real descents, if you want cruise control, a rack, fenders and lights without buying them separately, or if you want the bigger battery. Both listings claim UL 2849, and neither review names a lab.

Read more

See Heybike Cityscape 2.0 price at Amazon

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See Jasion Roamer ST price at Amazon

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Frequently asked questions

Should I buy the Heybike Cityscape 2.0 or the Jasion Roamer ST?

Buy the Heybike Cityscape 2.0 if price and class flexibility come first, and the Jasion Roamer ST if you want hydraulic brakes, cruise control, a rack and fenders included. Both are in stock on Amazon US as Class 3 step-throughs with a 750 W rated, 1200 W peak motor. At our last check the Cityscape was $609 and the Roamer ST $719. On October 4, 2026 the Cityscape was the cheaper bike by a wide margin. The Roamer adds 60 Wh of battery (528 Wh against 468 Wh); the Cityscape adds a display that switches it to Class 2 or Class 1, and a two-year frame warranty.

Do both bikes meet New York City's UL 2849 rule?

Both listings claim UL 2849, which New York City's Local Law 39 of 2023 requires before an e-bike can be sold, leased or rented in the city. It is a sales rule aimed at retailers, and it does not govern owning or charging a bike you already have. Our Heybike Cityscape 2.0 review records UL 2849 for the bike system and UL 2271 at the cell level. The Jasion Roamer ST's Amazon listing title says "UL2849 Certified". Neither review names a certifying lab or certificate number, so if a landlord or employer asks for proof, get the certificate from the seller first. In the city, both ride under NYC's 15 mph limit for every class, per our New York City page.

Is a step-through frame a problem at 28 mph?

We cannot say for either bike: Jasion publishes no frame-stiffness data for the Roamer ST, our Heybike Cityscape 2.0 review records none, and we have not ridden either. A step-through frame needs more careful tubing layout to limit flex than a closed frame, which is one reason many Class 3 bikes use a high top tube. Both bikes here are step-throughs sold for 28 mph, so the same question applies to both. If you need the low step for knee, hip or balance reasons, either bike gives you that. If you do not, and will spend most rides at full assist, a high-step Class 3 bike avoids the question.

Which has better brakes, and does it matter on a commute?

The Jasion Roamer ST has the better brakes: hydraulic discs against the Heybike Cityscape 2.0's mechanical discs, both on 180 mm rotors. Our Cityscape review lists fade on long descents as a con of its mechanical brakes. Hydraulic calipers generally need less lever effort and take up pad wear on their own, while mechanical ones need the cable adjusted as the pads wear. On a flat city grid the difference shows up rarely. On a commute with a sustained descent, or one ridden at Class 3 speed, it is the spec on this page we would weigh first.

Does either bike have a torque sensor?

Not that either review records: the Jasion Roamer ST uses a cadence sensor, and our Heybike Cityscape 2.0 review does not name its sensor type. A cadence sensor switches assist on when the pedals turn and off when they stop, rather than following how hard you push, so power arrives in steps. If you want a torque sensor, the Vivi ACE01 lists one along with hydraulic disc brakes, for under $700, but it is a high-step Class 3 bike, not a step-through.

How far will each bike go on a charge?

Plan on roughly 23-31 mi from the Heybike Cityscape 2.0 and 26-35 mi from the Jasion Roamer ST, using the same 15-20 Wh per mile of mixed assist for both batteries. Those are estimates from the 468 Wh and 528 Wh packs, not measurements. The brand claims are higher and not like for like: Heybike's 50 mi assumes the lowest assist, a 165 lb rider and flat ground, and Jasion claims 40-62 mi. Our Roamer review puts it nearer 22 mi held at 28 mph. Cold weather typically costs another 15-20%. Try your own numbers in our range calculator.

Reviewed by

John Weeks
Founder and editor