Helkama e-Oiva 5sp 27.5″
- Coming in Spring 2026!
A timeless classic for those who appreciate style and quality!
2999,00 €
Find closest dealerThe urban commuter’s reliable companion – now with a renewed modern design
E-Oiva is an electrified classic that brings ease to your everyday life and effortless mobility. Its modern design and natural riding feel make it the perfect choice for anyone who values style, quality, and convenience. The foot brake, hub gears, and Shimano electric assist guarantee comfort on every ride—whether you’re heading to work, the market, or a café.
e-Oiva city ebike
A completely redesigned modern look
In addition to the new frame design, improved riding comfort, an upright riding position, as well as a foot brake and hub gears make every ride enjoyable. With style, of course!
Easily detachable frame-mounted battery
An easily removable frame battery makes everyday life effortless – charge it conveniently at home or in the office.
Fully equipped for every need
The stunning DRL daytime running light completes the striking look. The front and rear lights with an automatic light sensor ensure your safety as darkness falls. The new AXA Atlas lock offers improved durability and advanced anti-theft technology.
Add practicality with smart accessories
The handy AVS feature offers a wide range of transport options for both everyday life and leisure. An additional front rack is also available as an accessory.
Motor
Shimano EP500 60Nm 250W 25km/h
A compact, powerful, and quiet motor delivers seamless assistance for a natural riding experience. The EP500 e-bike system provides smooth, consistent power support, making even long rides effortless.
Battery
Shimano EN604 418Wh
A compact frame battery with a low center of gravity ensures a natural riding experience.
Display
Shimano EN500
You can effortlessly monitor and adjust your e-bike intuitively. The display provides detailed information such as speed, battery level, range, and the selected assist mode. In addition, you can easily switch between different assist settings and customize them according to your needs and the terrain conditions.
Additional information
| Product name | Helkama e-Oiva 5v 27.5" |
|---|---|
| Frame | Aluminum |
| Frame size | 50 cm, 54 cm, 60 cm |
| Front fork | Fixed/Steel |
| Transmission | Shimano Nexus 5 |
| Gear amount | 5 |
| Shifter | Shimano Nexus 5 |
| Front brakes | Shimano MT200 hydraulic disc brake 160mm |
| Rear brakes | Foot brake |
| Brake lever | Shimano MT200 |
| Crank set | |
| Chain | KMC |
| Rims | Mach1 Trucky 30-584, 32H |
| Saddle | Selle Royal Essenza+ Moderate Wide |
| Seatpost | 30,9 x 300 mm |
| Handlebar | Ergotec City Cruiser 640mm, aluminum |
| Stem | Ergotec Sepia XL 70mm, adjustable |
| Rear axle measurements | Fixed 135mm/187mm |
| Tires | Kenda Kwik Seven 5 |
| Wheel size | 27,5" |
| Tire size ETRTO | 52-584 |
| Motor brand | Shimano |
| Motor model | Shimano EP500 |
| Motor specifications | 250W – 36V – 60Nm- 25km/h |
| Battery model | Shimano EN604 |
| Battery Energy (Wh) | 418 |
| Battery placement | Frame battery |
| Battery charging time | 80% 3,5h/100% 6,5h |
| Charger | Shimano E6002 |
| Display | Shimano EN500 |
| Color | black, dusk, white clay |
| Lukko | AXA Atlas L |
| Painoraja (kg) | 135 |
| Weight (kg) | 54-cm, black: 26 |
Helkama e-Oiva 5sp 27.5": 54-cm
| fs ‐ Frame size | 54 cm |
|---|---|
| st ‐ Seat tube length | 540 |
| tt ‐ Effective top tube length | 627 |
| ht ‐ Head tube length | 180 |
| hta ‐ Head tube angle | 68 |
| sta ‐ Seat tube angle | 68 |
| cs ‐ Chainstay length | 510 |
| bd ‐ Bottom bracket drop | 62 |
| fo ‐ Fork rake/offset | 420 |
| s ‐ Stack | 599 |
| r ‐ Reach | 385 |
| wb ‐ Wheelbase | 1157 |
Helkama e-Oiva 5sp 27.5": 50-cm
| fs ‐ Frame size | 50 cm |
|---|---|
| st ‐ Seat tube length | 500 |
| tt ‐ Effective top tube length | 600 |
| ht ‐ Head tube length | 160 |
| hta ‐ Head tube angle | 68 |
| sta ‐ Seat tube angle | 68 |
| cs ‐ Chainstay length | 510 |
| bd ‐ Bottom bracket drop | 62 |
| fo ‐ Fork rake/offset | 420 |
| s ‐ Stack | 580 |
| r ‐ Reach | 365 |
| wb ‐ Wheelbase | 1129 |
Helkama e-Oiva 5sp 27.5": 60-cm
| fs ‐ Frame size | 60 cm |
|---|---|
| st ‐ Seat tube length | 600 |
| tt ‐ Effective top tube length | 659 |
| ht ‐ Head tube length | 200 |
| hta ‐ Head tube angle | 68 |
| sta ‐ Seat tube angle | 68 |
| cs ‐ Chainstay length | 510 |
| bd ‐ Bottom bracket drop | 62 |
| fo ‐ Fork rake/offset | 420 |
| s ‐ Stack | 617 |
| r ‐ Reach | 410 |
| wb ‐ Wheelbase | 1189 |