Bike Forums - View Single Post - How bad condition is this BB?

12-02-14 | 08:46 AM

#16

cyccommute

Mad bike riding scientist

Joined: Nov 2004

Posts: 29,155

Likes: 6,213

From: Denver, CO

Bikes: Some silver ones, a red one, a black and orange one, and a few titanium ones

Quote:

Originally Posted by HillRider

I've never had a bike that didn't have a drain hole in the bb shell right from the factory. Most newer bikes have two holes, one threaded for the cable guide and the other as a drain hole. I think a 1/8" hole would be adequate if your shell doesn't have one.

I'd say just the opposite. I don't know that I've ever owned a bike that had a drain hole in the bottom bracket.

Quote:

Originally Posted by HillRider

I think it's unlikely the water go in through the bb cups. More likely it ran down the seatpost.

I'd agree. Another source of water could be water bottle cages, however. Especially if the cage braze-ons don't have bolts in them.

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