Replacement bearings for your Crupi or Rhythm bottom brackets.
#6805R which fits Crupi Precise External Bottom Brackets & requires 2.
#6805R-TBT Tiramic bearing Upgrade to fit Crupi Precise BB's. Titanium Coated Races with Ceramic Balls. Durability & Longevity - Lifetime = 5-10X Longer than Sealed Bearings!
#6805-2RS fits with Rhythm B.O.B. External Bottom Brackets & requires 2.
#6903-2RS fits Crupi's US Made Euro & Pro size Taper bottom brackets & requires 2.
These bearings may not work with other bottom brackets we stock.