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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 09-16-05, 11:01 AM   #1
Speedub.Nate
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(xPost) MkIII / Speedhub build & How To articles...

Back in March (shoot, a whole 6 months ago) I posted a whole bunch of photos of my new, bare naked Hollowpoint MkIII frame that I had prepped to build from the frame up.

Weeks turned into months and I took all kinds of delays scraping together the right mix of parts, but I finally finished the deed: Rohloff Speedhub, White Brothers DT 1.2 fork, Hopey steering damper, stripped & polished rear triangel and a bunch of other treats.

I've got a zillion photos plus a bunch of "How To" articles posted over at MTBR:

Link to MkIII / Speedhub Build Pics (Main Post)



Plus all this and then some:

Hopey Steering Damper Installation

Drilling Out Cable Stops (Full Length Cable Run)

Stripping & Polishing an Aluminum Frame

Homemade Headset Removal & Installation Tools

Star Fangled Nut Removal (Drilling out the Star Nut)

Cane Creek AD-12 Air Chamber Volume Adjustment

Bottom Bracket Drain Hole Drilling & Installation

Dremel Cut & Prep of Cable & Housing

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Old 09-17-05, 06:08 PM   #2
jcushman
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It took me a day but read thru every post in that series... very ,very cool and informative... i admire your passion and photos...

but for the life of me ,one question i have... why on earth did you make a hole in a perfectly good frame (bottom bracket series) ? Doesnt that let water in ?
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Old 09-19-05, 06:00 AM   #3
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Water collects at the bottom of the frame without a hole there, most likely entering through the seat post / seat tube interface (yet another reason to keep that interface lubricated, and reapply it on a regular basis).

The thought of even a small amount of water influencing an interaction between the threads of an aluminum frame and a steel bottom bracket doesn't appeal to me, and the sludge that drips out of my undrilled frames is always appropriately rust colored, so I know it's up to no good.

Whatever the case, whether or not to drill a bottom bracket continues to be a topic debated on many bike forums and is not a universally accepted practice, so dredge up the old posts, read the pros and cons, and form an opinion for yourself. I personally don't ford many rivers or ride in excessively wet climates, but I can assure you that when cracking the BB open, my undrilled frames always drain water and the drilled ones don't.
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