yes 13/51 is stock gearing. on my 90' cr i put a 12 tooth front sprocket. HOLY, does this bike work so much better. your always in powerband. once you let the clutch out, hang on. you do loose some top end but who can ever be in 6th gear at13,000 rpms in the north east?
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.