A clean, well-maintained chain guard can keep oil stains off your clothes and enhance the overall look of your e-bike. Whether you’re a new rider with a brand-new bike or an enthusiast looking to upgrade and maintain an older model, this article will guide you through installing a chain guard and quickly handling minor chain issues, helping you keep your rides safe and smooth.

How to Install a Chain Guard on a Bike
Check if Your E-Bike Can Fit a Chain Guard
Before you start, make sure your bike is compatible with a chain guard, or you might end up buying one that won't fit. You can check these steps:
1. Are there screw holes? Chain guards usually attach screws to the frame or near the chainring. Look around the chainring for screw holes or brackets. If there's nothing, you might need a clip-on chain guard.
2. Does the chainring size match? Check the size range in the chain guard instructions and make sure it matches your bike's chainring.
3. Is anything blocking the installation? Some bikes have mudguards, light mounts, motor housings, or cables near the chainring that might get in the way. In these cases, professional installation may be required.
4. Does your bike have a special setup? Bikes with multiple front chainrings (2 or 3) may require a specially designed chain guard, as standard ones may not cover all chainrings.
The easiest way to be sure is to check your bike manual or ask at your local bike shop: “Can I install a chain guard on this bike?”
Tools Needed
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Screwdriver
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Hex wrench
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Chain guard mounting screws
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Cleaning cloth
Installation Steps
1.Check compatibility: Make sure the chain guard model fits your e-bike frame and chainring size.
2.Remove obstacles: Temporarily remove any mudguards, lights, or other components blocking the installation area.
3.Align the guard: Position the chain guard outside the chainring, aligning screw holes with the frame mounting points.
4.Secure the guard: Use a screwdriver or hex wrench to evenly tighten the screws—don't overtighten to avoid warping.
5.Test ride: Pedal slowly to ensure the chain runs smoothly and the chain guard doesn't rub or make noise.
Tip: These steps are a general guide for ebikes that can be fitted with a chain guard. Always follow the manufacturer's instructions, and if your bike has a complex design, consult a professional before installation.
Here's a helpful video showing how to install a chain guard on the Fiido C11 e-bike.
How Do You Fix a Dropped Chain on a Bike with a Chain Guard
A dropped chain can happen due to a loose chain, improper derailleur adjustment, or external impact. Here's a simple way to handle it:
1.Stop safely: If the chain drops while riding, move off the road and park on a stable surface.
2.Protect your hands: Wear gloves or use a cloth, as the inside of the chain guard can be tight and metal edges may cause cuts.
3.Lift the rear wheel: This allows the pedals to rotate freely, making it easier to reposition the chain.
4.Carefully open the chain guard: If it's transparent or removable, check where the chain has fallen. Avoid pulling forcefully to prevent damage or injury.
5.Reposition the chain: Gently place the chain back onto the teeth of the front chainring and rear sprocket. If it gets stuck in the guard's gap, you can carefully use a screwdriver or stick to nudge it—don't pull hard.
6. Pedal slowly forward: Let the chain engage smoothly with the gears. If it feels stuck or resistant, stop and check to make sure the chain isn't jammed.
Which Fiido E-Bike Fits Fiido Chain Guard
The Fiido chain guard is currently compatible with the Fiido C11 e-bike, perfectly matching the chain and frame structure. It not only protects the rider but also extends the chain's lifespan.
For C11 owners, installing a chain guard helps prevent pant legs or shoelaces from getting caught in the chain and reduces the impact of dust, mud, and rain on the chain.
Fiido C11 City E-bike
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Common Questions
1.Can a chain guard prevent the chain from falling off ?
Answer: A chain guard mainly protects the chain and the rider. It offers some protection against chain drops but cannot completely prevent them. Regularly checking chain tension and derailleur adjustment can help reduce the risk.
2.Can the Fiido chain guard be used on non-C11 models?
Answer: Currently, the chain guard is only compatible with the Fiido C11. For other models, you must confirm the size and mounting method; otherwise, safe installation may not be possible.
3.How do you lubricate the chain after installing the chain guard?
Answer: After installing the chain guard, apply lubricant evenly along the chain, pedal slowly to distribute it, and wipe off any excess with a clean cloth.
4.How to check the condition of the chain and chain guard?
Answer: Inspect the chain for rust, uneven tension, or wear. Also, check the chain guard to ensure it is securely attached and free of cracks or deformation. Clean or replace components if necessary.
Safety Tips
Proper installation, regular inspection, and maintenance of both the chain and chain guard can reduce chain wear and the risk of drops, prevent accidents, and extend the bike's lifespan. Make it a habit to check the chain and chain guard before every ride to keep your e-bike in optimal condition.