How long do HTII bearings last?

[e-rider]

I've got HTII chainsets and BBs on all three of my bikes, yet I've never had to replace the bearings.

The oldest one must be 5 years old and with 7,000 miles on it.

They all still feel smooth and have no play - so no need to replace yet right?

 

[fossyant]

No need to replace if still smooth. You could check by removing the cranks and turning the bearing by hand to check if still smooth.

 

[PatrickPending]

I think it depends on how well faced your bottom bracket is, also I guess the conditions you ride in. I've got around 4000Km on mine (only got HII on my 'best' bike) still going strong....

 

[ianrauk]

10,000 miles+ and still going on a Hope bottom bracket.

 

[lpretro1]

Depends on where you ride and in what conditions - lots of water and mud play havoc with them so they will wear more quickly. Usually non-drive side is the one to go. Watch out though - they can feel ok - ie no play - but may well be seized up and simply rubbing (wearing?) on the crankshaft. If in doubt take the crank off and check as advised above.

 

[Oldlegs]

I've only ever replaced one set. They lasted for (approx) 25,000 miles!

 

[lpretro1]

You are very lucky!