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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 09-19-11, 06:53 PM   #1
monkeydentity
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Hybrid with MTB components to Drops and 105...AND I've never done this before!!

Hello,
I have collected ALMOST all the parts for the conversion.

I have already:
handlebars
105 5603 brifters (came with new cables)
105 5600 FD
105 5700 RD
105 5603 triple crank
105 5600 11-25 10sp cassette
"travel agent"s for the brakes

Still need to order:
Bottom bracket (English or Italian? how do I know??)
Chain.
TOOLS

Can someone please tell me 1) what special tools do I need to buy? and 2) How do I know what Bottom Bracket I need?

Thanks!!
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Old 09-19-11, 06:56 PM   #2
Sixty Fiver
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If the bike is your Cannondale it uses an English bottom bracket and specs for a triple usually call for a 118 mm width.

If the bikes use the same crank interface the existing bb may be fine if the width is correct and for this you will need a crank puller and if a different bb is needed you will need the right removal tools and installation tools.
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Old 09-19-11, 07:11 PM   #3
BarracksSi
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I'm not being snarky by posting this instead of writing an explanation-recommendation thesis, but I'm dog tired and about to head to bed (working on three hours of sleep right now and it's already 9 PM ) --

Have you checked the Park Tools website? They want to sell bike tools, so they want to teach people how to use them.
http://www.parktool.com/blog/repair-help
Bottom brackets: http://www.parktool.com/blog/repair-...ottom-brackets
Derailleurs and shifters: http://www.parktool.com/blog/repair-...illeur-systems

Alex at Bicycle Tutor has been putting together a bucketload of good videos, too:
http://bicycletutor.com/
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Old 09-19-11, 07:43 PM   #4
desertdork
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5600 series cranks use Shimano's external BB cups; the spindle is already incorporated into the driveside crank arm. Any of the "road" BB cups (BB-4500/5600/5700/6600/6700, etc) with English threading should be fine.
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Old 09-19-11, 07:59 PM   #5
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THANK YOU!!

Barrak-go to bed!
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