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  • Thunder Pro Step-Thru Electric Bike - ProMechBC
  • Thunder Pro Step-Thru Electric Bike - ProMechBC
  • Thunder Pro Step-Thru Electric Bike - ProMechBC
  • Thunder Pro Step-Thru Electric Bike - ProMechBC
1 4
Thunder

Thunder Pro Step-Thru Electric Bike

Thunder Pro Step-Thru Electric Bike

$2,599.00 CAD
$2,799.00 CAD $2,599.00 CAD
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Shipping calculated at checkout.

The Thunder Pro Step-Thru Electric Bike is a premium step-through commuter e-bike designed for riders who want easier mounting, long-range capability, and dependable everyday components. It features a 500W Bafang G02 rear hub motor with up to 80 N·m of torque, paired with a 48V 17.5Ah Samsung lithium-ion battery (840Wh) and a listed range of up to 150 km per charge.

With 27.5" × 2.10" Kenda tires, an RST Blaze suspension fork, Tektro hydraulic disc brakes, Shimano 7-speed gearing, a thumb throttle, and a rear cargo rack, the Thunder Pro Step-Thru is built for comfortable commuting, longer urban rides, errands, and recreational cycling.

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Assembled, tuned & safety-checked before pickup
1-year local warranty · in-house service team
Free local pickup in Vancouver, or shipping across BC

Free installation: Ask us for FREE installation when you pickup your purchased item

Shipping & Returns

In-store pickup available. Local support and e-bike service are available through ProMechBC. Returns and exchanges are subject to store policy, product condition, and final-sale or special-order rules where applicable.

Fit & Sizing

Best for riders who want easier mounting, upright comfort, and a practical layout for commuting, errands, and everyday use.

View full details
Bafang 500W 48V G02 hub motor Motor power
Up to 150 km Range per charge
Class 2/3 commuter performance Top speed
Vancouver workshop Free local pickup — 1199 Grant St.
Why riders choose the Thunder Pro Step-Thru

What makes it a premium step-through commuter e-bike.

Every figure below is labelled with where it comes from, so a manufacturer’s claim never reads as a measurement.

01 Power

Null, geared for gradient

Bafang Hub Motor 500W 48V G02 80 N.m. Watts set the ceiling; what you feel on a grade is how much pulling power is available low in the range, where a climb from a standstill actually happens.

Climbing is where an e-bike either justifies itself or does not. A drive unit with real torque in reserve turns the hill you avoid into the route you prefer, and it does it without asking you to hammer the pedals or slow to walking pace. That change in what you are willing to ride to is the whole reason people buy these.

  • 500 WMotor

Any climbing claim assumes a rider putting in their share. A throttle-only ascent drains the pack far faster than the range figure suggests.

Null, geared for gradient
Thunder Pro Step-Thru Electric Bike — Bafang Hub Motor 500W 48V G02 80 N.m
02 Distance

Up to 150 km claimed, and what that means

Up to 150 km claimed, 48V 17.5Ah Samsung Li-ion. The figure that shapes your week is not the maximum but the margin left at the end of an ordinary day, in the cold, with the lights on.

Range is the most quoted figure in this category and the least reliable, because it is measured in the conditions most favourable to it. What actually shapes your week is charge time and how much margin you have left at the end of a normal day — a pack you top up twice a week without thinking about it beats a bigger one you have to plan around.

  • 150 kmClaimed range
  • 48 VBattery

Up to 150 km is the manufacturer's figure, measured on flat ground, in warm weather, with a light rider holding a steady low speed. Vancouver hills, winter temperatures and stop-start traffic all cost you range. We have not yet run our own road test on this one; when we do, the tested figure goes in the spec table beside the claim.

Up to 150 km claimed, and what that means
Thunder Pro Step-Thru Electric Bike — 48V 17.5Ah Samsung Li-ion
03 Brakes

Null, and why it matters

Hydraulic disc brakes - Tektro disc 180 mm, 27.5" x 2.10" tyres. Stopping distance is set by the contact patch as much as by the caliper: hardware can only ask for as much grip as the tyre has to give, which is why both are quoted here rather than just the one that sounds impressive.

Stopping distance is set by the tyre as much as by the caliper. The best brakes in the world cannot exceed the grip available, which is why contact patch, compound and pressure matter as much on a wet Vancouver morning as the hardware clamping the rotor.

  • 29.5 kgWeight

BC requires a standard e-bike to stop from 32 km/h within 9 m on clean, level pavement. That is a dry-surface test — assume noticeably longer in Vancouver rain, and leave the gap to prove it.

Null, and why it matters
Thunder Pro Step-Thru Electric Bike — 27.5" x 2.10"
04 Getting on

Sized for 73"x28"x44"LxWxH

Size: 73"x28"x44"LxWxH, Step-Thru frame. Fit decides whether a bike is still being ridden in month three, and it is the one specification a photograph cannot tell you — reach, standover and saddle height interact, and two riders of the same height with different inseams want genuinely different setups. It weighs 29.5 kg, which is worth knowing before you commit if it has to come up a flight of stairs or onto a bus rack at the end of the ride.

Come and stand over it. Ten minutes with the saddle at the right height tells you more than any size chart, and it is the difference between a bike that disappears underneath you and one you are always slightly negotiating with.

  • Step-ThruFrame
  • 29.5 kgWeight

Height charts assume average proportions. Two riders at the same height with different inseams will want different setups, so treat any published range as a starting point and expect to move the saddle and bars.

05 Drivetrain

Null

Gears: Shimano Tourney TX50R7CT Shifter Plus 7-Speed · Chain: KMC chain, Throttle: Thumb Throttle. Gearing decides what the motor is asked to do: the right gear on a climb keeps you spinning and keeps the drive unit cool and efficient, and the wrong one grinds through your knees and your range at the same time.

The drivetrain is what riders upgrade first and shop for last. Chain, cassette and pads are consumables on any bike and wear faster under assistance, so the practical question is not which groupset is fitted but how cheaply and quickly it can be serviced when it wears — which is a question about your shop, not your bike.

Pedal-assist levels are a controller setting, not a measurement. What one brand tunes into its middle level another spreads across two, so treat the count as a range of options rather than as a spec you can compare across bikes.

Thunder Pro Step-Thru Long-Range Electric Bike

The Thunder Pro Step-Thru Electric Bike is a comfort-focused commuter e-bike designed for riders who want easy mounting, useful cargo capability, and extended riding range.

A 500W 48V Bafang G02 rear hub motor delivers up to 80 N·m of torque, providing practical assistance for starts, hills, and longer city routes. The 48V 17.5Ah Samsung battery offers approximately 840Wh of capacity and a listed range of up to 150 km under favourable conditions.

Step-Through Comfort and Suspension

The low step-through frame makes getting on and off easier, while the RST Blaze suspension fork helps absorb bumps and vibration from rough pavement and mixed urban surfaces.

A shock-absorbing seat post and Velo comfort saddle further improve comfort during longer rides.

Hydraulic Brakes and Shimano Gearing

Front and rear Tektro hydraulic disc brakes with 180 mm rotors provide controlled stopping performance, while the Shimano Tourney 7-speed drivetrain gives riders useful mechanical gearing for hills and everyday cycling.

A thumb throttle adds flexibility for starts and low-speed manoeuvring.

Practical Commuter Equipment

The Thunder Pro Step-Thru uses 27.5" × 2.10" Kenda tires and includes front and rear lighting, full fenders, a kickstand, bell, and a rear carrier rated for up to 25 kg of cargo.

At approximately 65 lb (29.5 kg), it is designed more for stability, range, and everyday utility than lightweight portability.

Buy the Thunder Pro Step-Thru in Vancouver

For riders looking for a Thunder Pro Step-Thru electric bike in Vancouver, ProMechBC provides local pickup, product support, service, repairs, and access to experienced electric-bike technicians.

The Thunder Pro Step-Thru is a strong option for riders who prioritize easy mounting, hydraulic braking, long-range battery capacity, and practical commuter equipment.

Full specification

Every number, in one place.

Pulled straight from the product record — if it changes on the bench, it changes here.

Power
Motor positionBafang 500W 48V G02 hub motor
Motor power (nominal)500W hub motor
Motor torque80 N·m
Top assisted speedClass 2/3 commuter performance
Pedal assist levels & throttleThrottle: Thumb Throttle
Drivetrain / gearsGears: Shimano Tourney TX50R7CT Shifter Plus 7-Speed · Chain: KMC chain
Battery & charging
Battery capacity48V 17.5Ah Samsung Li-ion (840Wh)
Range (manufacturer claim)Up to 150 km
Charging timeApprox. 6–8 hr
Battery removable-
Safety
Brake systemTektro hydraulic disc brakes
Suspension / fork travelRST Blaze suspension fork
Tyre size-
LightingHeadlight: Yes
Tires 27.5 x 2.10 in Kenda tires
Dimensions & weight
Weight65 lbs
Max total load-
Frame size & standoverSize: 73"x28"x44"LxWxH
Design & connectivity
Frame materialStep-Thru
Certifications & compliance
BC legal class-

Specifications are supplied by the manufacturer and verified by our workshop on arrival. We update this page when they change.

Customer Reviews

Owners put it best

verified riders have rated the Thunder Pro Step-Thru Electric Bike. Unedited impressions from daily commutes, rain rides and hill climbs.

No reviews yet — be the first to review Thunder Pro Step-Thru Electric Bike.

Loved by riders

What our customers say

Unedited reviews from riders across the Lower Mainland — and a few who crossed the border just to see us.

4.9
656 Google reviews · Read them all →
★★★★★

I drove all the way from Seattle to bring my daughter's scooter to ProMechBC and I could not be more pleased with both the repairs and the customer service. I will definitely be bringing the scooter North of the border when it needs some love.

Katie Barber
Posted on Google
★★★★★

Recently had an accident with my Apollo Go — luckily nothing major was damaged, but it still needed some repair and replacement parts. Service was great, and I got my scooter back within a week. :D

nw
Posted on Google
★★★★★

The service was incredibly fast, professional and efficient — they fixed my scooter wheel quickly and the quality of the repair was outstanding. Honest, reliable, professional and fast.

Amirreza Najmi
Posted on Google
Read all 656 reviews on Google
06 Owning it

Ride it home today — the rest is on us.

Ride now, pay later

Split it into predictable monthly payments — 0% APR on approved credit, no hidden fees.

Based on $2,599.00 at 0% APR. Rates from 0–19.99% APR. Subject to approval.

12-month warranty

A full year of coverage backed by our own technicians — plus lifetime service on everything we sell. No mailing it away, ever.

Price match guarantee*

Find the same product for less at an authorized Canadian dealer and we'll match it — you keep the local build, tuning and support.

Trusted local support

Bought here. Fixed here. By the people who built it.

Every ride leaves our bench assembled, torqued to spec and safety-checked — and stays local if it ever needs attention.

  • In-house assembly & safety check before pickup
  • Warranty work handled by our own technicians
  • Genuine parts stocked, plus a free 30-day tune-up
Book a service visit
ProMechBC Workshop
1199 Grant St, Vancouver, BC V6A 2J7
Open today · 10:00 – 18:00
Get directions (604) 200-4166
  • < 24 h Reply to service requests
  • 1 year Local warranty, in-house
  • Free 30-day first tune-up
Support

Frequently asked questions

The Thunder Pro Step-Thru uses a 500W 48V Bafang G02 rear hub motor rated for up to about 80 Nm of torque. It is designed for smooth starts, moderate hills, and practical everyday commuting.

Ride safe & legal

Riding safely and legally in Vancouver

Know the local rules for e-scooters, gear up properly, and keep your ride maintained. Our team can walk you through everything at pickup.

Talk to a specialist
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