External Bottom Brackets

Just buy one that fits and replace it when it needs it.

If someone says "my Hope Ceramic has lasted 4 years and over 20000 miles and is still going strong" does not mean you'll get the same.

1. Is your frame faced?
   
2. Are you light in the loafers?
   3, Do you mash the pedals?
   
3. Do you climb seated or are you always out of the saddle?
   
4. Do you keep your drive train clean?
   
5. Do you use a jetwash ever?
   
   

These will all have an effect on the longevity of a BB