Helkama Velox Oy

Helkama SX 9s electric bike

Low-step, all-terrain electric hybrid with a 504 Wh battery.

3299,00€

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The Helkama SX is a low-step hybrid e-bike that offers a stable riding feel and versatile performance for both city streets and gravel roads.

The 9-speed electric hybrid is perfectly suited for commuting, everyday cycling, and leisure rides where comfort, control, and smooth progress are valued. The Shimano EP5 mid-drive motor delivers 60 Nm of torque, providing natural and efficient electric assistance for varying riding conditions. The stylishly frame-integrated 504 Wh battery ensures reliable range for daily use and longer cycling adventures. With stable frame geometry, wider tires, and an active yet comfortable riding position, you’ll enjoy confident handling on both asphalt and hard-packed gravel paths. The 9-speed drivetrain offers a suitable gear range for urban riding as well as hillier terrains. The low-step frame makes mounting and dismounting easy, enhancing comfort during everyday use. Carefully refined in every detail, the Helkama SX is a dependable electric bike for versatile, year-round use. It’s designed to meet real everyday needs and adapt to various environments, from commutes to country rides. A stable ride, versatile features, and reliable electric assist offer the freedom to move on your own terms, day after day. Reliable components and a well-thought-out design make for a smooth ride, whatever the season.

SX hybrid e-bike

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

L (19"), M (17"), S (15")

Front fork

Suntour SF23-NX1-32-Boost AIR 100mm

Transmission

Shimano CUES RD-U4020 Linkglide

Gear amount

9

Shifter

Shimano CUES SL-U4000 Linkglide

Front brakes

Shimano MT410 hydraulic disc brake 180mm

Rear brakes

Shimano MT410 hydraulic disc brake 180mm

Brake lever

Shimano MT401

Crank set

Shimano EM600, 170mm/Shimano ET600 38T

Chain

Shimano CN-LG500 Linkglide

Rims

Mach1 Trucky 30-622, 32H

Saddle

Ergon ST10 GEL

Seatpost

30,9 x 350 mm

Handlebar
Stem

Ergotec Sepia XL 100mm, säädettävä

Rear axle measurements

QR 168mm, OLD 135mm

Tires

Schwalbe Energizer Plus Tour

Wheel size

29"

Tire size ETRTO

55-622

Motor brand

Shimano

Motor model

Shimano EP5

Motor specifications

250W – 36V – 60Nm- 25km/h

Battery model

Shimano EN805-L

Battery Energy (Wh)

504

Battery placement

Integrated

Battery charging time

80% 4h / 100% 7,5h

Charger

Shimano E6002

Display

Shimano EN500

Color

pearl champagne, red

Weight limit (kg)

130

Luggage rack weight limit
Weight (kg)

s-15, red: 27
s-15, pearl-champagne: 27
m-17, pearl-champagne: 25,7
m-17, red: 25,7
l-19, red: 26,8
l-19, pearl-champagne: 26,8

Helkama SX 9s electric bike: s-15

fs ‐ Frame size 15"
st ‐ Seat tube length 400
tt ‐ Efektiivinen vaakaputki 585,5
ht ‐ Head tube length 125
hta ‐ Head tube angle 67,5
sta ‐ Efektiivinen istuinkulma 74,5
cs ‐ Chainstay length 465
bd ‐ Bottom bracket drop 63
fo ‐ Fork rake/offset 508
s ‐ Stack 633
r ‐ Reach 410
wb ‐ Wheelbase 1156

Helkama SX 9s electric bike: m-17

fs ‐ Frame size 17"
st ‐ Seat tube length 430
tt ‐ Efektiivinen vaakaputki 605
ht ‐ Head tube length 125
hta ‐ Head tube angle 67,5
sta ‐ Efektiivinen istuinkulma 74,5
cs ‐ Chainstay length 465
bd ‐ Bottom bracket drop 63
fo ‐ Fork rake/offset 528
s ‐ Stack 651
r ‐ Reach 425
wb ‐ Wheelbase 1179

Helkama SX 9s electric bike: l-19

fs ‐ Frame size 19"
st ‐ Seat tube length 480
tt ‐ Efektiivinen vaakaputki 628
ht ‐ Head tube length 135
hta ‐ Head tube angle 67,5
sta ‐ Efektiivinen istuinkulma 74,5
cs ‐ Chainstay length 465
bd ‐ Bottom bracket drop 63
fo ‐ Fork rake/offset 528
s ‐ Stack 660,5
r ‐ Reach 445
wb ‐ Wheelbase 1203