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New School BMX 2004 - Now => New School Racing => Topic started by: firebirdmini on December 20, 2012, 09:30 PM

Title: how many teeth for front sprocket ???
Post by: firebirdmini on December 20, 2012, 09:30 PM

hi

putting together a redline flight pro with shimano dxr crank, how many  teeth  would be good for the front sprocket for  an 11 year old for racing

38T        42T      44T




 

Title: Re: how many teeth for front sprocket ???
Post by: harris on December 20, 2012, 09:37 PM

44t is still a great gear,time doesnt change,still used today.

Title: Re: how many teeth for front sprocket ???
Post by: Jon The Bassist on December 20, 2012, 09:48 PM

If they're on skinny wheels (ie 1 3/8") I'd recommend 38:15 as a starting point. If they're a big 11 year old on adult sized wheels then 42 or 43:16.