Chain Breaker, Pro Model. This is Very Easy to use. #32-10713
For use on
# 35 3/8 pitch x 3/16 width
415 1/2 pitch x 3/16 width
415H 1/2 pitch x 3/16 width
# 41 1/2 pitch x 1/4 width
# 40 1/2 pitch x 5/16 width
# 50 5/8 pitch x 3/8 width
ANSI Standard Chain Dimensions
Chain No. Pitch Roller Diameter Roller Width Sprocket thickness Working Load
25 1/4" 0.130" 1/8" 0.110" 140 lbs
35 3/8" 0.200" 3/16" 0.168" 480 lbs
40 1/2" 5/16" 5/16" 0.284" 810 lbs
41 1/2" 0.306" 1/4" 0.227" 500 lbs
50 5/8" 0.400" 3/8" 0.343" 1400 lbs
60 3/4" 15/32" 1/2" 0.459" 1950 lbs
80 1" 5/8" 5/8" 0.575" 3300 lbs
Bicycle and Motorcycle Chain Dimensions Chain No. Pitch Roller Diameter Roller Width Sprocket thickness Bicycle, with Derailleur
1/2" 5/16" 1/8" 0.110"
Bicycle, without Derailleur
1/2" 5/16" 3/32" 0.084"
420 1/2" 5/16" 1/4" 0.227"
425 1/2" 5/16" 5/16" 0.284"
428 1/2" 0.335" 5/16" 0.284"
