Helkama Velox Oy

Helkama SX Carbon 11s electric bike

Carbon fiber frame SX with automatic transmission and a 630 Wh battery.

3999,00

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The Helkama SX Carbon is a carbon frame hybrid electric bike designed for active riding in the city, for commuting, and on a variety of surfaces.

The lightweight carbon frame, powerful electric assist, and sporty riding position make this bike an excellent choice for fast-paced daily rides and longer journeys. Its high-performance electric motor delivers up to 85 Nm of torque, providing strong yet natural assistance even on hilly routes and against headwinds. The elegantly integrated 630 Wh battery offers an extended range, so you can enjoy your ride longer without worrying about recharging. The automatic gearbox shifts gears seamlessly according to riding conditions, ensuring smooth riding whether in city traffic or on varied gravel roads. The active riding position supports efficient pedaling and controlled movement across different riding environments. High-quality air suspension enhances comfort by absorbing vibrations and rough surfaces, making your ride enjoyable even on gravel and more challenging terrain. Thanks to its lightweight carbon frame, powerful assistance, and top-tier equipment, the Helkama SX Carbon is a high-performance hybrid e-bike for demanding cyclists.

Features

Additional information

Product name
Brand

Helkama

Frame

Carbon

Frame size

M (43 cm), L (48 cm), XL (53 cm)

Front fork

FOX AWL 34 29" , 100mm , Ø 15mm/110mm

Transmission

Shimano Cues RD-U6070 GS Autoshift 11sp Linkglide

Gear amount

11

Shifter

Shimano SW-EN600 (electric gear)

Front brakes

Shimano 8000/8020 hydraulic brake 180mm 4-piston

Rear brakes

Shimano 8000/8020 hydraulic disc brake 180mm 4-piston

Brake lever

Shimano BL-8000

Crank set

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

Chain

Shimano CN-LG500 Linkglide

Rims

Mach1 Trucky 30-622 36R

Saddle

Selle Royal Lookin Evo Athletic

Seatpost

31,6 x 350 mm

Handlebar

Shimano BL-8000

Stem

Ergotec Sepia XL, alu., adjustable 100 mm

Rear axle measurements

12mm Boost

Tires

Schwalbe Marathon e-Plus

Wheel size

29"

Tire size ETRTO

55-622

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 % 3,2 h/ 100 % 4,8 h

Charger

Shimano E8004

Display

Shimano EN610

Color

gray green

Weight limit (kg)

145

Weight (kg)

25,4

SKU: M_HelkamaSXcarbonAutoshift_2025 Categories: , , , , ,

Helkama SX Carbon 11s electric bike: m-43-cm

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 521,5
s ‐ Stack 640
r ‐ Reach 427,5
wb ‐ Wheelbase 1204

Helkama SX Carbon 11s electric bike: l-48-cm

fs ‐ Frame size 19"
st ‐ Seat tube length 480
tt ‐ Efektiivinen vaakaputki 625
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 521,5
s ‐ Stack 650
r ‐ Reach 445
wb ‐ Wheelbase 1204

Helkama SX Carbon 11s electric bike: xl-53-cm

fs ‐ Frame size 21"
st ‐ Seat tube length 530
tt ‐ Efektiivinen vaakaputki 644,8
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 521,5
s ‐ Stack 659,3
r ‐ Reach 462
wb ‐ Wheelbase 1224,9