Often asked: How Do I Choose A Chain Guard On A Bicycle?

Is a chain guard necessary on a bicycle?

It is not necessary to install a chain guard on your bike. The guard will protect your trousers and shoelaces from getting caught in the chain and sprockets.

What does a chain guard do on a bike?

A gear case, also known as a chain case or chainguard, is an enclosure for the bicycle chain and sprocket assemblages commonly employed by utility bicycles. It serves to protect the cyclist from being soiled or trapped in the chain rings and tends to fully enclose the drive train.

How do I know what chain fits my bike?

Begin by counting the number of teeth on the largest front sprocket and largest rear. These numbers are often printed right on the sprockets and cogs. Next, measure the distance between the middle of the crank bolt to the rear axle. This is also the chain stay length.

What is a chain stay?

What is the chainstay? The chainstay or “stays” = The pair of frame tubes that joins the bottom bracket shell to the rear axle holders (the slots the back wheel goes in). This means that the chain stays connect the bottom bracket (BB) to the center of the back wheel.

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What is chain stay protector?

A chain-stay protector is an item that protects your chain from hitting the chain-stay; it’s also known as the metal part beneath the chain. Every road bike must have a chain-stay protector to keep other damages from happening to the chain, the paint, and the bike itself.

Should I take my chain guard off?

A plastic chain guard is NOT going to stop a broken chain from doing damage. I took my guard off 6 months ago. Keep your chain clean and lubed, and wipe off any excess lube. If you ride in the rain.

Is a bash guard necessary?

They are a lot more rare. They used to be integral to chainguides, but now chainguides are not necessary for a lot of us that DH race, due to NW rings and clutch derailleurs. The 1x drivetrain moves the chainring in a bunch, due to generally smaller size, so you don’t have a 42t hanging out there anymore either.

Why do some bikes not have chain covers?

Those bikes are small engine, low torque and consequently have smaller/narrower chains. They are designed for use commuting to/from work with little or no protective clothing over your normal clothes. Consequently the chain needs to stop spatter getting on your clothes and as a result has a chain guard.

How do I know my chain size?

To measure the chain size, if you have just the sprocket, use calipers to measure between the teeth. Measure from center to center of where the chain roller would set between the teeth that will give you the pitch. Once you know the pitch you can determine what chain size you would need.

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What size bike chain do I need single speed?

1/8″ chains are used exclusively for single speed setups. In addition to the other answers, I found it helpful to read that the nominal width of a chain (1/8 or 3/32) actually refers to the width of the sprocket.

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