|   | 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 
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