The early Speedys had a 16 tooth front and the America a 17 tooth. I switched to an 18 to lower the rpms at cruising speed a bit. That's after the TORs and Modded intake/rejet were done so I didn't really loose a lot of acceleration.


12 Rocket Roadster
03 Bonneville America
69 BSA Firebird Scrambler
73 Yamaha TX 750