Brakes, Drivetrain, & Adjustments
Brake pads, levers, rotors, derailleurs, and cut-off sensors.
When do I change my brake pads, and what pads do I use?
For X-Class 48V, 52V, Kepler, and Grizzly models, replace your brake pads when they wear down to approximately the thickness of a dime. Ariel Rider bikes use Tektro E10.11 pads. If your local bike shop doesn't carry them, compatible alternatives are
How to replace brake pads?
You can follow this tutorial to learn more about replacing the brake pads. Please note that Ariel Rider Bikes recommends this work be done by a reputable bike mechanic:. If you need any further assistance, please do not hesitate to reach out through
My brake pads are closed
If you're unable to slide the brake rotor between the brake pads during wheel installation, the brake lever was likely squeezed while the wheel or pad spacer was removed. This causes the hydraulic pistons to extend and locks the pads together. Watch
How to change rotor
How do I bed the brakes on my Ariel Rider bike?
Bedding in new brake pads and rotors transfers a thin layer of pad material onto the rotor surface. This essential process maximizes stopping power, eliminates squealing, and ensures smooth, consistent braking performance. Important: Always turn off
How do I adjust my brake levers?
Adjusting your brake levers allows you to customize the reach distance to match your hand size for improved comfort and control. Important: Always turn off and power cycle your e-bike before making any mechanical adjustments or repairs. Watch this vi
My brakes feel soft or spongey, what should I do?
If your brake levers feel soft or spongy, or if your e-bike is taking longer to come to a complete stop, air may be trapped in your hydraulic lines. Bleeding your brakes removes trapped air bubbles and restores firm, responsive stopping power. Note:
My brakes are squeaky, what should I do?
\. If you have already properly bedded in your brakes but are still experiencing excess noise or squealing, follow these troubleshooting steps to identify and resolve the issue. Ensure your brake calipers are properly aligned with the rotor and that
What actions can be taken if brakes slip during wet weather?
Brakes can slip or lose responsiveness when wet. To ensure optimal performance in all conditions, the first and most important step is to properly bed in your brake pads and rotors. For detailed, step-by-step instructions, please review our Brake Bed
How do I adjust my Motor Cut Off Sensors? (!)
If your throttle and pedal assist (PAS) fail to engage, or if your motor stops working unexpectedly, the most common cause is a stuck or misadjusted brake cut-off sensor. Required Tools:. Important: Always turn off and power cycle your e-bike before
How to adjust the rear derailleur on your Ariel Rider bike
Tools needed: Phillips head screwdriver. Prior to working on your bike, please make sure that the bike is powered off, the battery is removed, and the bike has been power cycled. This video will show you how to power cycle. Please note: When shifting
Gears are shifting on their own mid ride
If your gears are shifting on their own or slipping between cogs without your input, your drivetrain needs to be indexed and adjusted. Required Tools:. Proper adjustment aligns the derailleur guide pulley directly beneath each cog, ensuring smooth ge