Helkama Velox Oy

Helkama SX 10s electric bike

Automatic transmission, low-step frame all-terrain electric hybrid with a 630 Wh battery.

3599,00

Frame size:
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The Helkama SX is a low-frame hybrid electric bike that makes riding smooth and effortless, whether you're in the city, commuting, or cruising on gravel roads.

The automatic gear system adjusts seamlessly to your riding situation, so you can focus on the road without shifting gears yourself. Powerful electric assist and a stable frame geometry deliver a comfortable ride in varying conditions. The stylishly integrated 630 Wh battery offers an extended range, perfect for everyday commutes or longer cycling adventures. An active yet comfortable riding position supports controlled and relaxed biking on both pavement and gravel. The automatic transmission continuously optimizes pedaling based on your speed, making starts, climbs, and changing routes easier than ever. The low-frame design enhances usability and makes getting on and off the bike simple. Thanks to its versatile riding features, large battery, and worry-free automatic transmission, the Helkama SX is an excellent e-bike for active daily cycling and leisure rides.

Features

Additional information

Product name
Brand

Helkama

Frame

Alumiini

Frame size

L (19"), M (17")

Front fork

Suntour SF23-NX1-32-Boost AIR 100mm

Transmission

Shimano CUES RD-U6050 GS 10sp Autoshift

Gear amount

10

Shifter

Shimano SW-EN600-R electric gear

Front brakes

Shimano MT410 hydraulic disc brake 180mm

Rear brakes

Shimano MT410 hydraulic disc brake 180mm

Brake lever

Shimano MT-401

Crank set

Shimano FC-EM600 170mm/CR-ET600 38T

Chain

Shimano CN-LG500 Linkglide

Rims

Mach 1 Trucky 30-622 32H

Saddle

Ergon ST10 GEL

Seatpost

30,9 x 350 mm

Handlebar
Stem

Ergotec Sepia XL, alu., adjustable 100 mm

Rear axle measurements

QR 168mm

Tires

Schwalbe G-One Allround

Wheel size

29"

Tire size ETRTO

57-622

Motor brand

Shimano

Motor model

Shimano EP6

Motor specifications

250W – 36V – 85Nm- 25km/h

Battery model

Shimano EN806

Battery Energy (Wh)

630

Battery placement

Integrated

Battery charging time

80 % 7,5 h/ 100 % 10,2 h

Charger

Shimano E6002

Display

Shimano EN610

Color

cranberry red

Weight limit (kg)

145

Recommended height
Frame size Height (cm)
m-17 160-180
l-19 170-190
Weight (kg)

26,6

SKU: M_HelkamaSXautoshift_L_2025 Categories: , , , , ,

Helkama SX 10s 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 10s 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