Ampler user manuals & specification lists

This page will soon move to our website, so until then it is a somewhat unclear layout here. Thank you for your patience!

Our manuals give you important information about assembly, using the bike and care tips. We recommend having a regular look.

Generation 2 models

The specification lists of our 2022 models (the new Generation 2), can be found on our website on the respective model pages at the very bottom. Find the manuals here:

Curt 2022 manual

Stout/Stellar 2022 manual

Axel/Juna 2022 manual

Generation 1 models

2021 Facelift 2019-2020 2018 Older models

Curt/Stout/Stellar 2021 manual (new firmware)

Curt/Stout/Stellar 2021 manual (old firmware)

Note: Depending on the firmware version, a different range of functions applies. Read more here about whether or when a firmware update is possible.

Curt specification list
Frame sizesSmall 50 cm, Medium 54 cm, Large 58 cm

Components

FrameAluminium Alloy 6061, double butted
ForkCarbon 1 1/8"- 1 1/2", 12 mm thru-axle
CranksetAlloy 170 mm
Bottom BracketSealed BB with a torque sensor
DrivetrainGates CDX Carbon Belt Drive / Shimano Deore M5120 11-speed
Single-speed configuration: Gates Carbon Belt Drive CDX
Front sprocket: CDX 60T
Rear sprocket: CDX 20T
Belt: CDX 120T
11-speed configuration: Shimano Deore M5120 11-speed
Derailleur: Shimano M5120 11-speed
Shifter: Shimano M5100 11-speed
Cassette: CS-M5100 11-42T
Chain: Yaban SLA-H11
Chainring: 42T Narrow/Wide
BrakesShimano M6000 hydraulic disc brakes
Brake PadsShimano G02S
Wheels28" wheels with 28 mm asymmetrical rims and sealed bearing hubs, 36H
TyresContinental Grand Prix 4-Season, 32-622 mm
MudguardsAmpler Aluminium Mudguards, 40 mm
Weight13.5 kg (single-speed belt) / 14.3 kg (11-speed chain)

Electronics

Assist speed25 km/h
Range45-100 km depending on terrain and assist mode
Battery48 V 336 Wh LG Li-ion battery
Motor48 V 250 W rear hub motor
Control modePrecise pedal torque-sensing motor control system
ConnectivitySmartphone connectivity with option to change motor settings
Charger3A Li-ion charger with Rosenberger magnetic plug
Charging time2.5 hours for a full charge
LightsFront: Busch+Müller IQ2 Eyc
Rear: LightSKIN integrated seat post LED light
Stout specification list
Frame SizesMedium 55 cm, Large 59 cm

Components

FrameAluminium Alloy 6061
ForkAluminium 1 1/8", 12 mm thru-axle
CranksetAlloy 42T, 170 mm
Bottom BracketSealed BB with a torque sensor
DrivetrainMicroshift Advent RD-M619M 9-speed rear derailleur with Microshift SL-M8195 shifter
CassetteMicroshift CS-H093 11-42T
ChainYaban SLA-H9
BrakesHydraulic disc brakes 160 mm
Brake PadsKool-Stop KS-D620
TyresContinental Top Contact II, 42-622 mm
Wheels28" wheels with 18 mm asymmetrical rims and sealed bearing hubs, 36H
MudguardsAmpler Aluminium Mudguards, 60 mm
Weight17.2 kg

Electronics

Assist speed25 km/h
Range45-100 km depending on terrain and assist mode, average range 70 km
Battery48 V 336 Wh LG Li-ion battery
Motor48 V 250 W rear hub motor
Control modePrecise pedal torque sensing motor control system
ConnectivitySmartphone connectivity with option to change motor settings
Charger3A Li-ion charger with Rosenberger magnetic plug
Charging time2.5 hours for a full charge
LightsFront: Busch+Müller IQ2 Eyc
Rear: LightSKIN integrated seat post LED light
Stellar specification list
Frame sizesSmall 50 cm, Medium 54 cm

Components

FrameAluminium Alloy 6061
ForkAluminium 1 1/8", 12 mm thru-axle
CranksetAlloy 42T, 170 mm
Bottom BracketSealed BB with a torque sensor
DrivetrainMicroshift Advent RD-M619M 9-speed rear derailleur with Microshift SL-M8195 shifter
CassetteMicroshift CS-H093 11-42T
ChainYaban SLA-H9
BrakesHydraulic disc brakes 160 mm
Brake PadsKool-Stop KS-D620
TyresContinental Top Contact II, 42-622 mm
Wheels28" wheels with 18 mm asymmetrical rims and sealed bearing hubs, 36H
MudguardsAmpler Aluminium Mudguards, 60 mm
Weight17.2 kg

Electronics

Assist speed25 km/h
Range45-100 km depending on terrain and assist mode, average range 70 km
Battery48 V 336 Wh LG Li-ion battery
Motor48 V 250 W rear hub motor
Control modePrecise pedal torque sensing motor control system
ConnectivitySmartphone connectivity with option to change motor settings
Charger3A Li-ion charger with Rosenberger magnetic plug
Charging time2.5 hours for a full charge
LightsFront: Busch+Müller IQ2 Eyc
Rear: LightSKIN integrated seat post LED light

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