# How long should a chain be on a mountain bike?

## How long should a chain be on a mountain bike?

Shift the bike into the largest chainring and rear cog. The chain should be long enough to make this shift with two slight bends at each pulley of the rear derailleur.

What size chain do I need for my bike?

Add the multiplied chainstay length, the divided number of teeth for the chainring and rear sprocket, and add 1 (or 2.5 cm). The result is the ideal chain length for your bike. For example, you’d add 32.5, 13, 7 and 1 to get 53.5. The length of the chain should be 53.5 inches or 135.89 cm.

### How long is a 116 link bike chain?

One link is two pin-to-pin dimensions. Each pin is 1/2″ from its neighbor, so a full link is 1″ long. When they say the chain is 116 links, they are really saying there are 116 pins, for a chain length of 58 inches.

How do I choose a mountain bike chain?

A lot of mountain bikes are 10-, 11- or 12-speed and, when buying a chain, it will be clearly labelled accordingly. Simply find out how many gears, or ‘speeds’, you bike has (count the number of gears on the rear cassette and multiply it by the number of chainrings at the front), and pick the corresponding chain.

## How do I know what chain to buy?

When selecting a chain, the first consideration is the number of rear sprockets. The rear cog sets have been made with 5, 6, 7, 8, 9, 10, 11, or 12 sprockets. As the number of cogs on the rear hub increases, the spacing between cogs tends to be reduced.

Is 116 link chain long enough?

Bicycle drive chain length A new bicycle chain usually comes with 116 links. This is long enough for the biggest chainrings and for most distances of rear wheel from front chainrings.

### What happens if bicycle chain too long?

A chain that’s too long (loose) may cause dropped chains and/or inconsistent shifting — front and back shifting. A chain that’s too short (tight) can cause even bigger problems.

What is the best chain for a mountain bike?

Muc-Off Dry Chain Lube

• Muc-Off C3 Wet Ceramic Chain Lube
• Pedro’s Slick Wax Chain Lube
• Finish Line DRY Teflon Bicycle Chain Lube
• Finish Line Ceramic Wet Bicycle Chain Lube
• Tri-Flow TF0021060 Superior Lubricant Drip Bottle.
• ## What are the dimensions of a bike chain?

6 speed – 7.3 mm ( 9 ⁄ 32 in) (Shimano HG),7.1 mm ( 9 ⁄ 32 in) (SRAM,Shimano IG)

• 7 speed – 7.3 mm ( 9⁄32 in) (Shimano HG),7.1 mm ( 9⁄32 in) (SRAM,Shimano IG)
• 8 speed – 7.3 mm ( 9⁄32 in) (Shimano HG),7.1 mm ( 9⁄32 in) (SRAM,Shimano IG)
• 9 speed – 6.5 to 7.0 mm ( 1⁄4 to 9⁄32 in) (all brands)
• What size bike chain do I Need?

Change the front derailleur on the biggest chainring and the back derailleur on the smallest cog.

• Start by covering the biggest back cog with the chain.
• If you have one end of the new chain on the outer plate,you should route it towards the front chain.
• ### What is the size of a bicycle chain?

What is the standard bike chain size? 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.