How To Measure Chain Size Bike. For example, a chain length figured to be 55.5 would be rounded to 56 inches. Chain length sizing for bicycles with derailleurs.
There are several methods for getting the chain at the correct length. 3/16 (.1875, 4.76 mm), used until the middle of the 20th century on many bicycles; On the contrary, if you don’t have your old chain, you can also use the largest cog and largest chainring method to measure your bike’s chain size.
If you don’t have the bike in front of you, the most important measurement to know is your inseam.
Dlll bicycle bike chain wear indicator tool chain checker for mountain bike,folding bicycle,road vehicles,mtb,touring,cruiser,measuring the extent of chain wear 4.2 out of 5 stars 12 $7.99 $ 7. Bicycle chain comes in four basic widths: Bike efficiency depends on the pitch difference. 3/16 (.1875, 4.76 mm), used until the middle of the 20th century on many bicycles;