FAQ

Amflow PL automatically adjusts its maximum speed to comply with the regulations of the country/region you are in. Speed limits for major countries/regions are as follows:
European Union: 25 kph
United Kingdom: 25 kph
United States: 32 kph (20 mph)
China: 25 kph

1. Assistance:
Adjusting the level of assistance involves modifying the assistance ratio of the drive unit. Increasing the assistance amplifies the assistance ratio, lessening the rider's pedal effort and making the ride easier. Conversely, reducing the assistance decreases the assistance ratio, increasing the rider's pedal effort and enhancing the rider's sense of participation in the ride.

2. Assistance Range:
The assistance range refers to the range of the assistance ratio of the drive unit. The minimum value of the assistance range represents the assistance ratio for riding on flat surfaces, while the maximum value represents the assistance ratio for riding on steep slopes. Within the rider's set assistance range, the assistance ratio dynamically adjusts based on the road gradient and resistance. If the rider sets the minimum and maximum values to the same number, the output of the assistance becomes independent of the road gradient and resistance, and the assistance will always be maintained at the set value by the rider.

3. Max. Torque in Auto and Trail modes:
The maximum torque represents the upper limit of the acceleration torque and also determines the upper limit of the bike's acceleration. Lowering the maximum torque slows down the bike's acceleration, while increasing it speeds up the acceleration. In this scenario, if one aims to achieve the same level of acceleration as with higher torque, additional effort from the rider is necessary.

4. Max. Torque in Eco and Turbo modes:
The maximum torque represents the maximum assistance value of the drive unit. Increasing the maximum torque can lead to faster acceleration under similar road conditions and easier uphill riding. However, on surfaces with low traction, such as icy roads, the rear wheel is more prone to slipping. Conversely, reducing acceleration and uphill riding becomes more strenuous, but the bike is less prone to slipping on such surfaces.

5. Assisted Start:
The Assisted Start determines the rate at which assistance increases from a pedal stop to pedal resumption. Boosting the Assisted Start facilitates easier incline starts and pedaling resumption after a stop on inclines. However, excessive Assisted Start can lead to instances of slipping and wheel lift during incline starts. Riders should prudently adjust this setting based on their abilities and road conditions. Reducing the Assisted Start diminishes acceleration during starts on flat ground.

6. Continued Assist:
The Continued Assist determines the sensitivity of the assist response to the rider's pedaling force. Increasing the Continued Assist enhances the responsiveness of the assist, leading to a quicker increase when the rider applies more force and a faster decrease when less force is applied. Conversely, decreasing the Continued Assist reduces the sensitivity of the assist, resulting in a slower increase when more pedal force is applied and a slower decrease when less force is applied.

7. Motor Overrun
Motor Overrun indicates the ongoing assistance provided for a duration after pedaling has ceased, gradually diminishing based on the assistance level at the point of stopping. Increasing the Motor Overrun prolongs this continued assistance. Motor Overrun is not continuously active. By assessing the bike's speed at the moment of pedal stopping, if significant acceleration is detected after ceasing pedaling, the overun assistance will be proactively disengaged to ensure safety. When riders need to navigate significant obstacles such as tree roots, we recommend initially applying a strong pedal stroke before stopping to enhance the intensity of the overrun assistance, thereby aiding the rider in overcoming the obstacle more effectively.

Yes. If the Drive Unit is off or the battery has run out, you can ride it like a non-electrical bicycle by pedaling.

To ensure battery safety, it is recommended to use the original charger. If the charger is lost, please contact a dealer for assistance.

Battery installation/replacement requires removing the Drive Unit. It is recommended to visit the nearest Amflow authorized store for assistance, or if there is no store nearby, please contact online customer service for support.

The range of Amflow PL (like any eMTB or e-bike) depends on several factors, including environmental temperature, rider weight, pedaling cadence, the use of riding assist modes, and climbing elevation, etc.
In Amflow's tests, a 75kg rider using the Amflow PL Pro (800Wh) in Auto mode could achieve approximately 60 km of mountain biking (or around 1440 m of climbing).

It takes about 2.5 hours to fully charge an 800Wh battery or a 600Wh battery.

It is recommended to store the bike indoors and maintain a certain level of charge in the lithium battery to prevent irreversible damage to the drive system from extreme weather and temperatures.

The battery is equipped with a battery health management system, which ensures battery health even when not fully charged.

Yes, you can download the Avinox app and pair it with your bike. When a new version is available, the app will send an update prompt. Simply follow the instructions to update.

Currently, Avinox app push notifications can only pop up on iPhone and Huawei phones, and phones that support the Google framework. Please stay tuned for further updates on other phone models.

Please follow the troubleshooting steps based on the error message:
1. If the bike is already bound to another account:
Solution: Contact the person who bound the bike to unbind it, then you can bind it again.
2. If the device cannot be found:
Solution 1: Check the status on the pairing QR code page, which displays the current connection status of the bike, including the model and account name of the connected phone. If it shows Connected, it means the bike is connected to the phone's Bluetooth, and you need to find that phone and unpair it.
Solution 2: Check if your phone's Bluetooth is already paired with the bike. If so, unpair it and try again.

Press and hold both buttons on either the Right or Left Wireless Controller for five seconds until the indicator light flashes rapidly. Then, attempt to re-pair.

Amflow PL meets ASTM4 standards and can be used on both paved and unpaved surfaces. With the fork and rear shock air pressure set to 25-30% sag, and properly tuned, it can handle a maximum load of 125 kg, a maximum speed of 40 kph, and a maximum drop height of 120 cm.

Yes, it is normal. The Control Display and GPS module generate heat, and the Control Display absorbs sunlight, so it is normal for the Control Display temperature to rise and, accordingly, for it to feel warm to the touch when in use.
Amflow PL's Control Display is equipped with a temperature sensor beneath the screen; if an abnormal screen temperature is detected, an error code will be displayed on the screen and an alarm will sound.

No. The maximum speed should comply with the regulations of the country/region where it is being used. Amflow does not provide a method to remove the speed limit.

The normal operating temperature is -10° to 40° C.

When Amflow PL is off, you can use the Avinox app over a 4G connection to check its battery level and location. If the bike's location is abnormal, you will receive a notification from the Avinox app and can choose to remotely authorize unlocking or maintain the locked state and silence the alarm.

^{Features related to 4G network communication require the additional purchase of a SIM card and are not available during data roaming.}

Yellow light indicates standby, red light means charging, and green light signifies a full charge.

0° to 40° C.

It is suggested to stay below 5000 m.

It uses an ISIS interface. It is recommended to use the official crank for optimal compatibility.

First, prepare a local Nano 4G SIM card.
Remove the Amflow PL Control Display, install the SIM card behind the screen, and then you can connect to the network.

Remote control enabled: approximately 200 MB per month
Ride data upload enabled: approximately 200 MB per month.

Each Wireless Controller uses a CR1620 battery. Under normal usage, the battery life is approximately one year.

Yes. Amflow PL can be used with two, one, or zero Wireless Controllers.

The Drive Unit has a rated power of 250 W and a peak power of 850 W.
In Boost mode, it can output a limited burst of up to 1000 W of power for 30 seconds.

Amflow PL uses a mid-drive motor.

No. The Drive Unit must use official Avinox components. Any modifications to the drive system will void the warranty and may violate legal requirements.
If parts are damaged, please contact customer service to purchase spare parts.

Yes. Amflow PL supports both electronic and mechanical shifting.
It is recommended to use a shifting system that meets the requirements for eMTB use. BCD104 chainrings can be used.

Any 31.6mm-diameter dropper seatpost can be installed. Please refer to the specs page for installation depth.

The dimensions are 40×52×7 mm, with 45° bearings.
For replacement purchasing options, please contact customer service.

The two main pivot bearings are model 6901, located above the Drive Unit. The remaining 12 pivot bearings are model 6801.

The chainring sizes supported are 32/34/36T, with a BCD104 mounting interface.

The front wheel can accommodate up to a 29-inch diameter and 2.8-inch tire width; the rear wheel can accommodate up to a 29-inch diameter and 2.6-inch tire width.
We recommend using Amflow PL's matching tires: 2.5 inches wide for the front and 2.4 inches wide for the rear.

Yes, Amflow PL is compatible with both 27.5-inch and 29-inch rear wheels. Users need to adjust the four-bar linkage flip chips and set the wheel size in the app to ensure accurate speed calculation. Additionally, installing a 27.5-inch rear wheel will result in changes to geometry. Click here for detailed information.

For detailed information on servicing and maintenance, please refer to the FOX official website. FOX provides maintenance for the fork and rear shock. Here are some suggestions from Amflow for using the shock absorbers:
1. Set the sag before each ride.
2. Adjust the rebound before each ride.
3. Clean the shock absorbers after each ride.
4. Service the air chamber after every 50 hours of riding.
5. Reapply lubricant to the aluminum alloy shock pivot after every 50 hours of riding.
6. Take your fork/shock to a FOX dealer for inspection and maintenance after 150 hours of riding (or once annually).

The frame is compatible with 185×55mm trunnion-mount rear shocks. The original rear shock has been fine-tuned for internal damping according to Amflow PL's four-bar linkage leverage curve.
It is recommended to use the original rear shock or a shock absorber of the same model with the same damping. If you plan to install a different rear shock model, please ensure that it does not interfere with the frame during operation.

Due to natural wear and tear of the components, Amflow PL requires maintenance. Here is how to extend the lifespan and optimize performance for different parts:

1. Shock absorbers: Set the air pressure and adjust the compression and rebound settings according to the riding conditions before each ride. Clean the shock absorbers after each ride. Service the air chamber and reapply lubricant to the aluminum alloy shock pivot after every 50 hours of riding. Take your fork/shock to a FOX dealer for inspection and maintenance after every 150 hours of riding (or once annually).

2. Bike chain: Always clean the chain, remove dirt, and re-lubricate. A well-maintained chain should be replaced after about 1000 kilometers of riding to prevent excessive wear on the chainrings. Use a dedicated chain checker to determine whether or not the chain requires replacement.

3. Crankset, chainrings, and cassette: The wear on these components largely depends on riding style, maintenance, and the environment. It is recommended to service them at an authorized store every six months.

4. Brake fluid: Brake fluid should be replaced annually to ensure excellent brake performance.

5. Rotors: Keep the rotors clean and free of dirt. Do not touch them with your hands, as the natural oils on fingers and hands can negatively affect brake pad performance. Clean promptly after riding on muddy roads. Dirty brake pads will wear out more quickly and affect braking performance, potentially causing significant noise when braking.

6. Pedals: Lubricate the pedal threads thoroughly before installation to reduce noise.

7. Grips: Grips are coated with rubber. If the rubber becomes porous or greasy over time or after exposure to the sun, it is recommended to replace them with new grips.

8. Wheelset: Wheelset should not have any vertical or lateral wobble. If you notice the wheelset has been impacted, you can go to a professional bike shop to adjust the spoke tension to correct any offset caused by impact.

9. Tires: Tires should always have sufficient tread for adequate grip on roads or trails. If you find sidewall damage when inspecting the tires, replace them promptly.

Amflow PL comes with tubes, but both the wheelset and tires are compatible with a tubeless setup. You can easily convert to tubeless using a tubeless valve and sealant.

There is no limit to the number of spacers. However, it is recommended to use no more than three, all installed below the stem.

Amflow PL's progressive leverage ratio design can work well with coil shocks, but you need to confirm with the shock manufacturer whether the product is compatible with yoke linkage. The yoke connecting to the rear shock is 70.18 mm. Providing this data to the shock manufacturer to check if their product is compatible with Amflow PL.

Here are some known compatible coil shock models for Amflow PL for your reference:
- Ohlins TTX22m.2
- 2023 Super Deluxe Coil and Deluxe Coil
- X-FUSION H3C
- Formula MOD (yoke mount version)

The geometry of the Amflow PL is designed around a 160mm-travel fork. Testing has shown that it can also be fitted with a 170mm-travel fork. However, this will result in a slacker head tube angle (changing from 64.5° to 64.1°) and seat tube angle (changing from 77° to 76.6°), as well as an increase in bottom bracket height (from 345 mm to 348.8 mm). Please consider whether a replacement is necessary based on your actual riding needs. If you plan to install a different fork model, please ensure that it does not interfere with the frame during operation.

For transportation, please use the original packaging/box you received upon purchase and pack it as it was when first opened.
If the packaging/box is lost, you can purchase new transportation materials from the Amflow online store to safely transport your bike.
If you have any other questions, please visit the official Amflow website and fill out the service form to contact us. The Amflow customer service team will get in touch with you as soon as possible and provide assistance.

1. Ensure the battery is adequately charged.
2. Check the thickness of the brake pads and rotors.
3. Inspect the tire pressure and wear on both the front and rear tires.
4. Check the screw torque at the main pivots of the frame.
5. Check the air pressure, rebound, and compression damping of both the fork and rear shock.
6. Examine the chain for wear.
7. If you are wearing non-cycling pants during the ride, please use leg straps to secure your pant legs. This will help prevent them from getting caught in the bike's moving parts, which could result in personal injury or damage to the bike.