Helkama Velox Oy

Helkama SX 9sp K 29″

  • Coming in Spring 2026!

A sporty e-bike for the active rider.

3299,00 

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The Helkama SX 9-speed is designed to travel efficiently and stylishly, whether you’re navigating city streets or forest trails.

It delivers performance, riding comfort, and confidence in any condition – the perfect choice for active cyclists who value quality and functionality. The Shimano EP500 motor provides a natural assist just when you need it, making your ride smooth and efficient. The neatly integrated 540 Wh battery offers ample range for commuting or longer cycling adventures. Its high-quality 9-speed Shimano CUES drivetrain ensures precise and smooth shifting in all situations. Combined with electric assistance, it makes riding effortless and adaptable to any terrain.

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

Helkama SX 9v K 29"

Frame

Aluminum

Frame size

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

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

Ergotec Low Riser Bar 720mm, alumiini

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 EP500

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

anthracite

Painoraja (kg)

130

Weight (kg)

m-17: 26,6
l-19: 26,8
xl-21: 26,6

Helkama SX 9sp K 29": m-17

fs ‐ Frame size 17"
st ‐ Seat tube length 430
tt ‐ Effective top tube length 605
ht ‐ Head tube length 125
hta ‐ Head tube angle 67,5
sta ‐ Seat tube angle 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 9sp K 29": l-19

fs ‐ Frame size 19"
st ‐ Seat tube length 480
tt ‐ Effective top tube length 628
ht ‐ Head tube length 135
hta ‐ Head tube angle 67,5
sta ‐ Seat tube angle 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 9sp K 29": xl-21

fs ‐ Frame size 21"
st ‐ Seat tube length 530
tt ‐ Effective top tube length 648
ht ‐ Head tube length 145
hta ‐ Head tube angle 67,5
sta ‐ Seat tube angle 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