What Ansi Size Is Bicycle Chain

Many roller chains are available in multi strands and we ve included charts to cover single strand thru quadruple strand.

What ansi size is bicycle chain.

The chain in use on modern bicycles has a 1 2 inch 12 7 mm pitch which is the distance from one pin center to another ansi standard 40 where the 4 in 40 indicates the pitch of the chain in eighths of an inch. Roller chain is made in several sizes the most common american national standards institute ansi standards being 40 50 60 and 80. Figure 1 17 bushingless bicycle chain components. Single speed bicycle chain is wider having a width of 1 8 inch.

Choose from our selection of ansi chain including over 550 products in a wide range of styles and sizes. In stock and ready to ship. This measurement indicates the length of the links. However the tooth shape is different.

Figure 1 18 schematic diagram of bushingless bicycle chain. Although every type of bicycle chain and freewheel have a 1 2 in pitch the width of chain varies quite a bit from 3 32 to 1 8. The basic sizes of the sprockets front and rear are common to all manufacturers. Both types of bicycle chain have a pitch of 1 2 inch ansi standard 40.

The outer plates of an iso chain are taken from the chain size one level above the application requirements. The diameters listed in our chart is the outside diameter of the sprocket tip of the sprocket tooth. Below are roller chain size charts for ansi heavy series metric agricultural conveyor non standard chains. Below is a sprocket diameter chart we ve put together to help you identify the sprocket diameter you need based on the chain size and tooth count.

Sprocket diameter chart by chain size. Sprockets come in a wide range of tooth counts for each ansi chain size. Roller chain has been around for a long time and has evolved into a broad range of styles sizes. And is standard 606 metric 8 where the 8 indicates the pitch in sixteenths of an inch.

The first digit s indicate the pitch of the chain in eighths of an inch with the last digit being 0 for standard chain 1 for lightweight chain and 5 for bushed chain with no rollers.