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 delivers a stable riding experience and versatile performance, whether you're cruising through city streets or exploring gravel roads.

The 9-speed electric hybrid is perfectly suited for commuting, everyday cycling, and leisure trips where comfort, control, and smooth progress are key. The Shimano EP5 mid-motor produces 60 Nm of torque, offering natural and powerful electric assistance for changing riding conditions. The stylishly frame-integrated 504 Wh battery ensures reliable range for daily use and even longer rides. With its stable frame geometry, wider tires, and active yet comfortable riding position, you’ll feel confident on both asphalt and hard-packed gravel. The 9-speed drivetrain provides a wide range of gears for city commuting as well as steeper terrain. The low-step frame makes it easy to mount and dismount the bike, enhancing convenience for everyday use. With meticulous attention to detail throughout, the Helkama SX stands out as a reliable e-bike for year-round, versatile cycling.

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

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