AOSTIRMOTOR S18 750W Electric Bike Manual

Safety Notice

To ensure your safety, perform the following functional checks before riding:

1. Test brake system, throttle, and power system.
2. Ensure pressure is at 30 psi.
3. Check front wheel lug-nuts and securely tighten before every ride.
4. Verify battery charge level, indicated on the side of the battery.
5. Check braking system adjustment and ensure free operation.

Display Use & Maintenance: SW-LCD Display

SPEN: Stuboff: 1.5 seconds long press.

CLINE: In standby mode, long press Mode for 3 seconds.

SETTING: After booting, press UP + DOWN for 2.5 seconds (exit the same way). Detailed settings are as follows (on boot state):

Display Settings:

• Wheel Diameter Setting: Displays current wheel diameter setting.
• Speed Setting: Displays current speed setting.
• Light Setting: Displays current light setting.

Installation Instructions

1. Open your package.
2. Take out the tool box.
3. Remove the bicycle from the package and place it on a soft surface to avoid scratches. Cut the tie securing the front wheel.
4. Remove protective foam.
5. Open the accessory kit and remove the tool kit.
6. Invert the bicycle.
7. Remove the large fixing bolt on the front fork.
8. Position the front fork and place the disc brake pad on the front wheel in the middle of the disc brake caliper.
9. Use the supplied 16 mm flat tool to tighten the two bolts.
10. Attach the key to the handlebar clamp, cut the zipper, and use the Allen wrench from the tool kit to remove the clamp.
11. Position the handlebar in the middle and install the rod clamp, tightening the screws with the included Allen wrench.
12. Install the LCD display on the handlebar, tighten the screws, and connect the green connecting wire.
13. For the bicycle light: unscrew the lens, remove the plastic insulator, re-tighten the lens, and connect the red cable. Connect the bicycle with a brake apron.
14. Install the pedals. The right pedal rotates clockwise, and the left pedal rotates counterclockwise. Note: Markings "S" indicate left and "R" indicate right.
15. Unplug the bicycle.
16. Insert the seat into the seat post, fix it in the desired position, tighten the screws, and secure it.
17. Installation is complete. When connecting meters, headlights, brake circuit breakers, handlebars, etc., align them properly and do not force connections.

Controller Use & Maintenance

1. Please check the situation of the lock core before installation (refer to Step 2 and Step 3 for details).
2. Turn your key counterclockwise to lower the lock cylinder.
3. Align the slider as shown in the diagram.
4. There are two lock positions; the locking principle is the same. The other lock position can also control the switch of the battery. Port No. 5 is the charging port.
5. Turn the key clockwise to lock your battery.
6. Press down the key and turn it counterclockwise to unlock your battery.
7. When not using the battery for a long time, charge it 1-2 times every month.
8. Keep the key properly. A new key can be provided based on the nameplate number on the key if it is lost.
9. Keep the battery environment dry; avoid prolonged exposure to rain.
10. Use a universal meter to test battery attenuation regularly.

AOSTIRMOTOR S18 750W Specifications

Product Overview Diagram

The electric bike features a 6061 aluminum alloy frame, a 750W rear motor, and a 48V 11.6Ah Samsung lithium battery. It includes a leather seat, rear spring shock, front shock absorption, headlight, disc brakes, and 26x4.0 tires. The bike is equipped with an SW-LCD display and pedals.

Controller Wiring

The controller wiring includes:

• Battery positive connection line
• Phase line
• Tail light wire
• Integrated main line
• Power sensor line
• Motor Hall plug wire

Please be careful not to get water into the controller box.