Helkama Velox Oy

Helkama SX 10s electric bike

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

3599,00€

Find closest dealer

The Helkama SX is a high-frame, automatic-transmission hybrid electric bike designed to make your ride smooth and carefree—whether you’re commuting, riding through the city, or exploring gravel roads.

A stable riding feel, powerful electric assist, and automatic transmission come together for a seamless experience that adapts effortlessly to various riding conditions. The automatic transmission shifts gears based on your riding situation, ensuring comfort whether starting off, climbing hills, or navigating changing routes. A stable frame geometry and active riding position support controlled progression on both asphalt and gravel surfaces. The elegantly integrated 630 Wh battery offers an extended range for daily use, commutes, and longer cycling adventures. The robust electric assist lightens every pedal stroke, helping you move comfortably even in more demanding conditions. Its high-frame design adds stability, making this bike an excellent choice for active cyclists. Thoughtfully finished with modern technology and versatile riding features, the Helkama SX is a reliable e-bike for year-round use. It’s crafted to meet the real needs of everyday journeys, commutes, and leisure rides. Automatic transmission, long-range capability, and efficient electric assistance let you focus on the ride and move on your own terms, day after day. Dependable performance ensures a smooth journey, whatever the season—whether riding in the city or tackling a variety of routes.

Features

Additional information

Product name
Brand

Helkama

Frame

Alumiini

Frame size

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

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

Ergotec Low Riser Bar 31.8, 720mm

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

anthracite

Weight limit (kg)

145

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

26,6

SKU: M_HelkamaSXautoshift_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
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