Quick Answer: How To Read Bicycle Chain Sizes?

How do I know my bike chain size?

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 size is a 9 speed chain?

9 speeds. Chain width is about 6.7 mm. In a pinch, a 10 speed chain can be used. Still, narrower chain is more expensive, doesn’t last as long and will cause a bit slower shifting… but it will work.

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.

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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Are all bicycle chains the same pitch?

All modern bicycle chains are made to the “one-half inch pitch” standard, meaning from rivet to rivet is nominally 0.5 inches. The sprocket teeth are cut for this same one-half inch standard to accept bicycle chains. However, this does not mean all makes and models of chains are interchangeable.

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.

What is chain slap?

How To Stop Chain Slap. When it comes to noise, one you cannot miss is chain slap, down every rough downhill section or off every drop your chain makes a right racket slapping up and down against your swingarm.

What is a good chainstay length?

Normal chainstays are: Road bikes: 40.5 to 41.5cm … less than 16 ½ inches. Touring bikes: 42 to 43.5cm…

Do I need a chain stay?

The chain-stay is the part of a bike frame nearest to your 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. Chain-stay protectors are designed in such a way that they will help prevent damages from happening to a road bike.

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