Keeping things running smoothly down south we bring you the Rotar bottom bracket, a very clean and simple BB system with high quality bearings and CNC machined 6061 – T6 Aluminum spacers.
Compatible with Sierra 18″ frames, 18″ and 16″ inches Fly bikes, and old Fly frames like Pantera, Tierra, 3 Amigos,…
– 3mm washer included for adjustability
** Need to know more about Crank and Hub bearing sizes? Click here.