Helkama Velox Oy

Helkama e-Oiva 5-speed electric bicycle

A modern and stylish city e-bike with both foot and hand brakes.

2999,00€

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Helkama e-Oiva is a versatile urban e-bike that combines the traditional chain drive with the convenience of modern electric cycling.

Shimano’s electric assist makes pedaling light and enjoyable in any situation. Its modern design and natural riding feel ensure a smooth ride both on city streets and bike paths. Easy-to-use hub gears and a reliable coaster brake enhance everyday comfort, making this bike an effortless companion for all your daily journeys. An upright riding position and practical features tailored for everyday use increase comfort and convenience whether you're commuting, running errands, or cycling for leisure. Finely finished with high-quality components and dependable technology, the e-Oiva is a trustworthy e-bike for urban travel and active daily cycling. It’s designed to meet real-life needs and provide seamless mobility freedom day after day. This versatile urban e-bike keeps up with you on commutes, errands, and leisure rides alike. Reliable electric assistance and carefully selected components make every ride enjoyable, no matter the season.

e-Oiva city ebike

Riding position
Upright Active Race
Chassis suitability
Permanent pavement Graveled road Needle trail Rhizome & pebble Deep snow & sand
Features
Components

Additional information

Product name
Frame

Alumiini

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 160 mm

Rear brakes

Foot brake

Brake lever

Shimano MT200

Crank set

Shimano EN500, 170 mm / Shimano ET600 38T

Chain

KMC

Rims

Mach1 Trucky 30-584, 32H

Saddle

Selle Royal Essenza+ Moderate Wide

Seatpost

30,9 x 300 mm

Handlebar

Ergotec City Cruiser, halkaisija: 31,8 mm, leveys: 640 mm, nousu: 41 mm, taivutus: 37°

Stem

Ergotec Sepia XL 70mm, adjustable

Rear axle measurements

Kiinteä 135 mm / 187 mm

Tires

Kenda Kwik Seven 5

Wheel size

27,5"

Tire size ETRTO

52-584

Motor brand

Shimano

Motor model

Shimano EP5

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

Lock

AXA Atlas L

Weight limit (kg)

135

Luggage rack weight limit
Weight (kg)

54-cm, black: 26
50-cm, white-clay: 25,9
50-cm, black: 25,9
50-cm, dusk: 25,9
54-cm, dusk: 26
60-cm, black: 26,2
60-cm, dusk: 26,2
54-cm, white-clay: 26
60-cm, white-clay: 26,2

SKU: M_HelkamaeOiva-2026 Categories: , , ,

Helkama e-Oiva 5-speed electric bicycle: 54-cm

fs ‐ Frame size 54 cm
st ‐ Seat tube length 540
tt ‐ Efektiivinen vaakaputki 627
ht ‐ Head tube length 180
hta ‐ Head tube angle 68
sta ‐ Efektiivinen istuinkulma 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 5-speed electric bicycle: 50-cm

fs ‐ Frame size 50 cm
st ‐ Seat tube length 500
tt ‐ Efektiivinen vaakaputki 600
ht ‐ Head tube length 160
hta ‐ Head tube angle 68
sta ‐ Efektiivinen istuinkulma 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 5-speed electric bicycle: 60-cm

fs ‐ Frame size 60 cm
st ‐ Seat tube length 600
tt ‐ Efektiivinen vaakaputki 659
ht ‐ Head tube length 200
hta ‐ Head tube angle 68
sta ‐ Efektiivinen istuinkulma 68
cs ‐ Chainstay length 510
bd ‐ Bottom bracket drop 62
fo ‐ Fork rake/offset 420
s ‐ Stack 617
r ‐ Reach 410
wb ‐ Wheelbase 1189