Chain dimensions form

We ask for the outer width and outer length of the chain link because it is easier for you to measure. You can submit either measurements or photos through the below form. If submitting photos if digital calipers please ensure the screen is visible.

Chain Size European Grade 30


Chain size		 Wire diameter (wd) Link Width Link Length
Outer (ow) Inner (iw) Outer (ol) Pitch / Inner (il)
mm in mm mm in mm mm in
7mm 7 0.276 24 9 0.354 36 22 0.867
8mm 8 0.315 27-28 11 0.433 40 24 0.944
10mm 10 0.393 34 14 0.55 48 28 1.1
12mm 12 0.472 40 16 0.63 60 36 1.417
14mm 14 0.551 50 22 0.867 69 41 1.614