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A sporty hybrid bike for a fun ride or training optimal
The ideal choice for cyclists seeking the performance of an e-bike and its versatility for training. The Flex offers 21 speeds, allowing you to feel the effort on climbs without assistance or use pedal assist to ascend any slope at full speed. From road to trails, with the Flex, you stay in control.
500/900 WATT
Motor Rated/Peak Power40 MILES Estimated Range
500 WATT HOURS
UL certified batteryTHE FLEX IS COMPLETE


UP TO 64 RANGE OF KM
The GEN3 rechargeable battery is a specially designed 500 Wh battery, UL certified for safety, and offers a range of up to 64 km (40 miles).
INTEGRATED HEADLIGHT
The elegant, high-performance Spanninga headlight is integrated into the GEN3 electronic system and illuminates with the simple press of a button.

Puncture-Proof All-Terrain Tires
These road-ready mountain bike tires minimize rolling resistance while ensuring optimal grip on the trails. EPS (Exceptional Puncture Safety) technology offers additional puncture protection.

MTB FRONT SUSPENSION FORK
The front suspension shocks provide excellent damping for rough terrain and challenging conditions. Simply adjust the compression to fine-tune the ride feel.

GEN3 Mechanical Disc Brakes and Lever
Our GEN3 mechanical disc brakes and their custom-designed stainless steel discs guarantee extreme reliability, ease of maintenance, and optimal braking performance.

ADVANCED ERGONOMIC CONTROLS
Backlit, discreet, and highly ergonomic display with thumb throttle for easy motorcycle operation by left-handed.

Shimano 21-Speed Drivetrain
The Flex is equipped with a 21-speed Shimano drivetrain (derailleur and freehub body). Thanks to its drivetrain, you can climb hills without assistance or ride on easy roads when you want more control.
ASSISTANCE PEDAL AND AEROSOL ASSISTANCE
Use the 5-level Pedal Assist System (PAS) for an extra boost. Press the thumb throttle forward to propel the bike without even pedaling!
CLASS II ELECTRIC BIKE
The Flex is a Class II electric bike, meaning it is equipped with both pedal assist AND a throttle, both reaching their maximum power output. Maximum power is reached at maximum speed. Please check local regulations to see where Class II electric bikes are permitted and prohibited. 64 KM RANGE ... id="s-be1ad35b-0440-4b9f-bd6c-c09db09f828a">
We estimate the range at 64 km, but this can vary depending on the rider's weight, wind, elevation gain, and the level of pedal assist (or acceleration) used. The GEN3 display includes a power indicator to estimate the remaining battery charge.
ELECTRONIC |
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| Battery | 500 Wh integrated, 48 V/10.4 Ah (UL certified) | Advertising and Throttle | Backlit LCD display with battery level indicator, speedometer, odometer, trip meter, 5 levels of pedal assist, headlight on/off switch, and thumb throttle | ||
| Peak power | 900 W | Charger | 54.6V/2A power supply with fast charging function and LED charging indicator | ||
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Motor |
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500W (Rated) / 900W (Peak) Bafang Rear Hub Motor with 1:5 Planetary Gears |
Charging Time (0-100%) |
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6 hours |
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Couple |
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65 Nm | |||
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| BRAKES | GEN3 DB-330 Mechanical Disc Brakes | ||||||||||||||
| Brake disc dimensions | 160 mm, front/back | ||||||||||||||
| Brake lever | Left: GEN3 BL06E-L with Auto Sense and integrated doorbell, Right: GEN3 BL06E-R with Auto Sense | ||||||||||||||
| String | KMC Z series | ||||||||||||||
| Pedal Bracket | Black professional 3-speed bicycle (42/32/24 chainrings) | ||||||||||||||
| Front derailleur | Rear: Shimano Tourney 7-speed RD-TY300D Front: 3-speed FD-TY300DS6 | ||||||||||||||
| Border | Double-butted 6061 Aluminum | ||||||||||||||
| Suspension Fork | Suspension with 100mm travel, lockout and adjustability | ||||||||||||||
| Freewheel | Comfort Style saddle curve 130 mm Double D Shimano 7 speed MF-TZ500-7ensity thermoplastic rubber with circlip | ||||||||||||||
| Handles | 130mm diamond tips in dual density thermoplastic rubber with locking ring | ||||||||||||||
| Handlebar | 660 mm black anodized handlebar with 25 mm rise and 15-degree backsweep | ||||||||||||||
| Helmet | NECO threadless pivot, 1-1/8" | ||||||||||||||
| Kickstand | CNC aluminum platform reflector with sealed Cr-Mo ball bearings (9/16" thread) | ||||||||||||||
| Bottom support | 83mm case, 135mm axle | ||||||||||||||
| Rims and Hubs | Saddle | Seatpost Clamp | Gear shifter | Shimano SL-TX50-7R and -LN | |||||||||||
| 12 Gauge | |||||||||||||||
| Stem | 80 mm x 31.8 mm MTB with a 7-degree incline | ||||||||||||||
| Tire Type | CST All-Terrain | ||||||||||||||
| Tire Size | 26 in x 1.95 in | ||||||||||||||
GEOMETRY AND FIT![]()
UL CERTIFIED BATTERY PACKSOur battery packs are designed to meet the UL 2271 safety standard for light-duty electric vehicle batteries. UL 2271 requires that each lithium-ion cell, as well as the entire pack, be certified and tested according to its rigorous safety protocols. ANTI-THEFT PROTECTION The Flex screen is password protected to prevent anyone else from starting your vehicle. ... iv>
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