Helkama Velox Oy

Helkama SX 10s electric bike

High-frame all-terrain electric hybrid with a 630 Wh battery and powerful 85 Nm torque.

3599,00

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The Helkama SX is a sporty electric hybrid designed for active cycling, commuting, and versatile riding in a variety of conditions.

Its high-frame structure, stable road feel, and athletic riding position deliver outstanding control on asphalt, gravel roads, and more uneven terrains. The high-quality 10-speed drivetrain offers a wide gear range, enabling efficient riding across different landscapes and speeds. Powerful electric assist delivers up to 85 Nm of torque, making it easier to tackle steep hills, headwinds, and long distances. The stylishly integrated 630 Wh frame battery provides ample range for both daily commutes and longer cycling adventures. With a large-capacity battery and a powerful motor, the Helkama SX is a reliable partner for the active cyclist who values performance, comfort, and versatility. The Helkama SX unites modern electric support, sporty handling, and premium components into one package that's ready for commuting, fitness rides, and leisure trips.

Features

Additional information

Brand

Helkama

Product name
Frame

Alumiini

Frame size

L (19"), M (17"), XL (21")

Front fork

Suntour SF23-NX1-32-Boost AIR 100mm

Transmission

Shimano Deore RD-M5130 10sp Linkglide

Gear amount

10

Shifter

Shimano Deore RD-M5130 10sp Linkglide

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 168mmQR 168mmQR 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

anthracite

Weight limit (kg)

145

Recommended height
Frame size Height (cm)
m-17 160-180
l-19 170-190
xl-21 180-200
Weight (kg)

26,6

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
r ‐ Reach 445
wb ‐ Wheelbase 1203

Helkama SX 10s electric bike: xl-21

fs ‐ Frame size 21"
st ‐ Seat tube length 530
tt ‐ Efektiivinen vaakaputki 648
ht ‐ Head tube length 145
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 670
r ‐ Reach 462
wb ‐ Wheelbase 1224