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Hecht GRIMIS

The HECHT GRIMIS is an electric bike with a capacity of 7.8 Ah, a 250 W rating, a nominal 36 V, assistance to 25 km/h, a weight of 19 kg, a charge time of approximately 5 hours and a 27.5" wheel.

Last updated: 3 November 2026

Motor and performance

Continuous rated power
250 W

“Sports outdoor electric bike HECHT GRIMIS. Aluminum frame with hidden 36 V / 7.8 Ah battery. 250 W motor, 27.5" wheels, weight 19 kg. LED front and rear light. Range on electric motor approx. 55 km.”

Source: en.hecht.cz/e-bike-hecht-grimis

Assisted speed
25 km/h

“The maximum speed of the assisted bicycle is 25 km/h; once this speed is reached, the assistance is automatically deactivated and reactivated when the speed drops below 25 km/h.”

Source: en.hecht.cz/e-bike-hecht-grimis

Motor position
rear wheel drive

Row from the maker’s page: “Drive type” | “rear wheel drive”

Source: en.hecht.cz/e-bike-hecht-grimis

Range description
approximately 55 km

“The range of the assisted bicycle per charge is approximately 55 km.”

Source: en.hecht.cz/e-bike-hecht-grimis

Battery and charging

Rated capacity
7.8 Ah

“The Li-ion battery with SAMSUNG cells has a capacity of 7.8 Ah at 36 V.”

Source: en.hecht.cz/e-bike-hecht-grimis

Charging time
approximately 5 hours

“From full discharge, the battery is fully charged with the supplied charger (included) in approximately 5 hours.”

Source: en.hecht.cz/e-bike-hecht-grimis

Battery type
Li-ion

“The Li-ion battery with SAMSUNG cells has a capacity of 7.8 Ah at 36 V.”

Source: en.hecht.cz/e-bike-hecht-grimis

Rated voltage
36 V

“The Li-ion battery with SAMSUNG cells has a capacity of 7.8 Ah at 36 V.”

Source: en.hecht.cz/e-bike-hecht-grimis

Brakes and safety

Brakes
TEKTRO ARIES disc brakes

“The front and rear wheel is braked by TEKTRO ARIES disc brakes.”

Source: en.hecht.cz/e-bike-hecht-grimis

Headlight
LED

“The front light consists of a pair of highly illuminated LEDs.”

Source: en.hecht.cz/e-bike-hecht-grimis

Taillight
red tail light

“Under the seat is a red tail light that is powered by its own integrated battery.”

Source: en.hecht.cz/e-bike-hecht-grimis

Frame and components

Suspension
front suspension fork RST

“The front suspension fork RST has adjustable stiffness.”

Source: en.hecht.cz/e-bike-hecht-grimis

Gearing
SHIMANO shifter and derailleur, type Acera

“The HECHT GRIMIS is equipped with a SHIMANO shifter and derailleur, type Acera.”

Source: en.hecht.cz/e-bike-hecht-grimis

Frame material
Aluminum

“Sports outdoor electric bike HECHT GRIMIS. Aluminum frame with hidden 36 V / 7.8 Ah battery. 250 W motor, 27.5" wheels, weight 19 kg. LED front and rear light. Range on electric motor approx. 55 km.”

Source: en.hecht.cz/e-bike-hecht-grimis

Wheel size
27.5"

“Sports outdoor electric bike HECHT GRIMIS. Aluminum frame with hidden 36 V / 7.8 Ah battery. 250 W motor, 27.5" wheels, weight 19 kg. LED front and rear light. Range on electric motor approx. 55 km.”

Source: en.hecht.cz/e-bike-hecht-grimis

Size and fit

Weight
19 kg

“The solid aluminium frame gives the e-bike high rigidity; the whole bike weighs just 19 kg.”

Source: en.hecht.cz/e-bike-hecht-grimis

Sources

  • E-bike - HECHT GRIMIS - Mobility - Electric Bicycles, E-Bikes - HECHTArchived document

    Source: en.hecht.cz/e-bike-hecht-grimis

    Retrieved October 27, 2026