Big bicycle sprockets?

Question

well i am building a motorized bicycle and i need a sprocket with around 65 to 70 teeth, and it needs to use a regular chain. i found one website, but they are REALLY expensive, so i was just wondering if anyone knows any other website. there are no bicycle shops around here. thanks for any help.

Answer 1

I had a 66 tooth chainring made by Paragon Machine Works several years ago.  I think I paid around $60.00.  A 65 or 70 T  is probably going to be a custom job at a dollar extra per tooth.  

253 South 25th Street Richmond , CA 94804

phone [phone] | fax [phone]

mark [at] paragonmachineworks dot com