DIYMINIBIKES

Standard Roller Chain ?C Strength & Dimensions
Chain Size Pitch Roller Dia. Between Inner Plates Pin Dia. Avg. Tensile (lbs.) Weight (lbs/ft)
#25 1/4 .130 1/8 .091 875 .08
#25H 8mm ?? ?? ?? ?? ??
#219H .306 .200 .183 .118 2,100 .22
#35 3/8 .200 3/16 .141 2,100 .22
#35 Space 3/8 .200 3/16 .141 2,100 .24
#43 (#410) 1/2 .306 1/8 .141 1,600 .19
#42 (#415) 1/2 .306 3/16 .156 1,600 .26
#41 1/2 .306 1/4 .141 2,000 .27
#420 1/2 .306 1/4 .156 3,700 .38
#40 (#425) 1/2 .312 5/16 .156 3,700 .41
#428 1/2 .335 5/16 .177 4,200 .44
#520 5/8 .400 1/4 .200 6,100 .64
#520H 5/8 .400 1/4 .200 6,100 .68
#50 (#530) 5/8 .400 3/8 .200 6,100 .68
#60 3/4 .468 1/2 .234 8,500 1.00
#60H (Heavy) 3/4 .468 1/2 .234 8,800 1.20
#80R 1 .468 5/8 .312 14,500 1.70
#80 Cottered 1 .625 5/8 .312 14,500 1.75
#80H (Heavy) 1 .625 5/8 .312 15,500 2.19
#100R 1-1/4 .750 3/4 .375 24,000 2.62
#100 Cottered 1-1/4 .750 3/4 .375 24,000 2.75
#120R 1-1/2 .875 1 .437 34,000 3.75
#120 Cottered 1-1/2 .875 1