Triobike – Promovec system


The Promovec e-system has been discontinued. Please select the BROSE e-system.

25% VAT is added to all orders in the European Union, except for companies with a valid EU VAT number.

All the tech stuff

E-power system by Promovec

TrioBike uses the e-power system on their bikes and trikes.

The Danish brand Promovec is acknowledged for being one of the most reliable e-power systems on the market. The system is tested in extreme conditions, both under hot and cold conditions, which makes it extremely usable in any weather. The range of the battery is up to 30 km on a fully loaded trike and 60 km on a regular bike per charging.


Motor – 250 and 500 Watts
Battery – Li-on / 36V / 13.6 Ah / 490 Wh
Assist levels – 4 levels
Nom 40 Nm
Wheel Sizes – 26” (hydraulic disc brake)
Walk assist from 0-6 km/h – Throttle to activate e-power system

Headset: VP-A45AC
Bottom bracket: CH-52 ENC 68x118mm BSA
Rim: Alexrims DM24 20”
Handlebar: MTB-AL-345BT 31.8mm
Crankset: Lasco 170mm
Pedal: Wellgo M095
Front brake: Tektro Auriga Twin HD-T525
Rear brake caliber: Shimano BR-M395
Brake lever: Shimano BL-M396
Derailleur: Shimano Deore
Shifters: Shimano Deore
Grips: Ergo Grip
Saddle: Velo VL-3061G
Lock: AXA/Basta Solid

Length: 225 cm
Width: 106 cm
Height: 113 cm

Weight: 53 kg

Max payload on the front box: 160 kg
Overall max payload: 250 kg


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Download the trioBike taxi manual