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GRUNDIG BIKE ECB28

The GRUNDIG BIKE ECB28 is an electric bike with a stated top speed of 25 km/h, a stated range of 120 km, a 250 W rating, a nominal 36 V DC and a weight of 24.5kg.

Last updated: 6 November 2026

Motor and performance

Drive unit
Ananda M131SD

“Der Ananda M131SD Nabenmotor (hinten) liefert 42 Nm Drehmoment und 250W Leistung.”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Continuous rated power
250 W

Row from the maker’s page: “Nennleistung” | “250 W”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Walk-assist speed
6 km/h Modus

“• Schiebehilfe: 6 km/h Modus”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Torque
42 Nm

“42 Nm 250W kraftvoller, bürstenloser Motor”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Row from the maker’s page: “Maximum torque” | “42 N.m”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Top speed
25 km/h

“Da das ECB28 strikt den EN15194 (EPAC)-Standards entspricht (250W, 25 km/h Grenze), wird es rechtlich als Fahrrad und nicht als Mofa eingestuft.”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Claimed range
120 km

“Mit einer vollen Ladung können Sie je nach Unterstützungsstufe, Fahrergewicht und Gelände bis zu 120 km fahren.”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Assist sensor
Trittfrequenzsensor

“Sensortyp Trittfrequenzsensor”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Assist levels
0-5

“Unterstützungsstufen: 0-5”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Controller
ANANDA-Controller

“Controller ANANDA-Controller”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Motor weight
2,4 kg

Row from the maker’s page: “Gewicht” | “2,4 kg”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Pedal assist levels

The maker’s own documents give different figures

0-5

GRUNDIG ECB28 E-Bike 2026er Neuauflage – grundig-bike · retrieved 13 October 2026

Row from the maker’s page: “• Unterstützungsstufen” | “0-5”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

5 assist levels & walk assist

GRUNDIG ECB28 E-Bike 2026 New Edition – grundig-bike · retrieved 13 October 2026

“5 assist levels & walk assist”

Source: grundig-bike.com/en-ue/products/grundig-ecb28-e-bike

Motor noise
≤55 dB(A)

Row from the maker’s page: “Geräuschpegel” | “≤55 dB(A)”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Battery and charging

Battery
Sources disagree
  • 36V 13Ah

    “36V 13Ah EU-konformer, abnehmbarer Akku”

    Source: grundig-bike.com/products/grundig-ecb28-e-bike

  • 36 V 13 Ah (468 Wh)

    “Akkudaten 36 V 13 Ah (468 Wh)”

    Source: grundig-bike.com/products/grundig-ecb28-e-bike

Charging time, stated for the machine
ca. 8 Stunden (0% → 100%)

“Ladedauer ca. 8 Stunden (0% → 100%)”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Rated voltage
36 V DC

Row from the maker’s page: “Nennspannung” | “36 V DC”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Brakes and safety

Brakes

The maker’s own documents give different figures

Hydraulische Scheibenbremsen

GRUNDIG ECB28 E-Bike 2026er Neuauflage – grundig-bike · retrieved 13 October 2026

“Bremsen Hydraulische Scheibenbremsen”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

hydraulic disc brakes

GRUNDIG ECB28 E-Bike 2026 New Edition – grundig-bike · retrieved 13 October 2026

“The hydraulic disc brakes require less hand effort to deliver greater, more consistent braking power”

Source: grundig-bike.com/en-ue/products/grundig-ecb28-e-bike

Headlight
Units Star QD252

“Frontlicht Modell: Units Star QD252”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Taillight
Units Star WD216

“Rücklicht Modell: Units Star WD216”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Frame and components

Fork
MCX-Federwegabel

“Vordergabel Typ: MCX-Federwegabel”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Headlight brightness
30 Lux

“Modell: Units Star QD252 Helligkeit: 30 Lux”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Fork travel
50mm

“50mm travel suspension fork smooths out bumps”

Source: grundig-bike.com/en-ue/products/grundig-ecb28-e-bike

Frame alloy
6061 aluminum alloy

“the ECB28 frame is crafted from heat-treated 6061 aluminum alloy”

Source: grundig-bike.com/en-ue/products/grundig-ecb28-e-bike

Tires
700C*45C

“700C*45C tires (30TPI) offer a great balance of durability and grip”

Source: grundig-bike.com/en-ue/products/grundig-ecb28-e-bike

Tire model
INNOVA 700C x 45C

“Modell: INNOVA 700C x 45C”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Gearing
Shimano 7-Gang

“Schaltung: Shimano 7-Gang”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Rear rack load limit
25kg

“The heavy-duty integrated rear rack is rated for a 25kg load”

Source: grundig-bike.com/en-ue/products/grundig-ecb28-e-bike

Frame material
AL6061 (Aluminiumlegierung)

“Rahmenmaterial AL6061 (Aluminiumlegierung)”

Source: grundig-bike.com/products/grundig-ecb28-e-bike

Size and fit

Weight
24.5kg

“(Bike weight: 24.5kg + rider weight + additional weight)”

Source: grundig-bike.com/en-ue/products/grundig-ecb28-e-bike

Total weight limit, rider and cargo
Sources disagree
  • 110 kg (Fahrradgewicht: 24,5 kg + Fahrergewicht + Zusatzgewicht)

    Row from the maker’s page: “Max. Gewicht” | “110 kg (Fahrradgewicht: 24,5 kg + Fahrergewicht + Zusatzgewicht)”

    Source: grundig-bike.com/products/grundig-ecb28-e-bike

  • 110 kg

    “Max. Systemgewicht 110 kg”

    Source: grundig-bike.com/products/grundig-ecb28-e-bike

Identity

Model name as declared
ECB28

“GRUNDIG ECB28 2026 Nieuwe Editie”

Source: grundig-bike.com/nl/products/grundig-ecb28-e-bike

“GRUNDIG ECB28 E-Bike 2026 New Edition”

Source: grundig-bike.com/en/products/grundig-ecb28-e-bike

Warranty, returns and support

Buying a spare battery
GRUNDIG ECB28 AKKU

“GRUNDIG ECB28 AKKU – grundig-bike”

Source: grundig-bike.com/products/grundig-ecb28-akku

Sources

  • GRUNDIG ECB28 E-Bike 2026er Neuauflage – grundig-bikeArchived document

    Source: grundig-bike.com/products/grundig-ecb28-e-bike

    Retrieved October 13, 2026

  • GRUNDIG ECB28 E-Bike 2026 New Edition – grundig-bikeArchived document

    Source: grundig-bike.com/en-ue/products/grundig-ecb28-e-bike

    Retrieved October 13, 2026

  • GRUNDIG ECB28 2026 Nieuwe Editie – grundig-bikeArchived document

    Source: grundig-bike.com/nl/products/grundig-ecb28-e-bike

    Retrieved October 22, 2026

  • GRUNDIG ECB28 E-Bike 2026 New Edition – grundig-bikeArchived document

    Source: grundig-bike.com/en/products/grundig-ecb28-e-bike

    Retrieved October 18, 2026

  • GRUNDIG ECB28 AKKU – grundig-bikeArchived document

    Source: grundig-bike.com/products/grundig-ecb28-akku

    Retrieved October 13, 2026