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CHAIN PITCH #35 & #41



There are 2 common size of chains used on minibikes. There was the #35, #40 and #41. How do you know what chain is required for your bike? Just measure the pitch. Below is the dimensions for the pitch.
Question?  What is pitch?
Answer: Pitch is the center to center of the link of a chain or the center to center of the teeth of the sprocket.

#25 Chain is most commonly used on the pocket bikes, goped(gas scooters) and electric scooters.
#35 Chain was commonly used on many minibikes in the 60's and 70's.
#40/41 Chain was mostly used on minibikes  with bigger size engines like 4 or 5 hp.
#50 Chain used on motorcycles.

Check out the picture below to find out what chain size you have.

CHAIN DIMENSIONS
Chain Number
Pitch
Between Inner Plates
25
1/4"
1/8"
35
3/8"
3/16"
40
1/2"
5/16"
41
1/2"
1/4"
50
5/8"
3/8"