Often asked: How To Find Out What Size Chain I Need For My Bicycle When I Dont Have The Old One?

What replacement chain do I need for my bike?

A reading of 0.5 to 0.75 means you should replace your chain. A reading of 0.75 or higher means you not only need to replace your chain, but you should also check the condition of your cassette and chainrings to see if the stretched chain has caused excessive wear to these parts.

What size is standard bicycle chain?

Chains come in 3⁄32 in (2.4 mm), 1⁄8 in (3.2 mm), 5⁄32 in (4.0 mm), or 3⁄16 in (4.8 mm) roller widths, the internal width between the inner plates. 1⁄8 in (3.2 mm) chains are typically used on bikes with a single rear sprocket: those with coaster brakes, hub gears, fixed gears such as track bicycles, or BMX bikes.

How do I know what size chain my bike needs?

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.

How often should I lube my bike chain?

Bicycle Tutor recommends cleaning and lubricating your bike’s drive chain at least once every month to maintain optimal performance and protection. The chain and drivetrain are typically the dirtiest parts of your bike, and this dirt is bad news for bike longevity and performance.

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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.

Are all bicycle chains the same size?

Are all bicycle chains the same size? No, all bicycle chains are not the same size. Size varies on the bike’s numbers of sprockets, speeds, the distance between the front chainring and rear cogs, and the number of teeth on them.

How do I know what speed my bike is?

Multiply the front gear number by the rear gear number to get the number of speeds. For example, if you have two front gears and five back gears, you have a 10-speed bike. If you have one front gear and three back gears, you have a 3-speed bike.

Is WD40 bad for bike chains?

WD40 is primarily a solvent, which means that it dissolves contaminates so parts get nice and clean. As a solvent, WD-40 will strip away any existing lubricant, leaving your chain, and drivetrain dryer than before application. This means that using WD-40 as a chain lubricant is worse than using no lube at all.

Can you use 3in1 oil on bike chains?

Lubricate it Using WD40 or 3-in-1 oil may seem pudent but it won’t things running smoothly and will cause dirt and grime to stick to the chain and prematurely wear.

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