Cable Guide Bolt (Under Bottom Bracket)
You know those plastic cable guides that bolt to the underside of your bottom bracket shell? Anyone know what size bolt those things take, and if I can find it at Home Depot?
I've got a 2005 Specialized Allez and it's missing this bolt. The little cable guide is sliding around without it. I contacted Specialized but they're not certain what the size of the bolt is, so I thought I'd take a try here. |
Originally Posted by bryce_atx
(Post 7297121)
You know those plastic cable guides that bolt to the underside of your bottom bracket shell? Anyone know what size bolt those things take, and if I can find it at Home Depot?
I've got a 2005 Specialized Allez and it's missing this bolt. The little cable guide is sliding around without it. I contacted Specialized but they're not certain what the size of the bolt is, so I thought I'd take a try here. |
Originally Posted by melville
(Post 7297170)
and put a wee touch of Loctite on it when you put it back together.
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The bolts both Shimano and Campy provide with their cable guides are M5 x .8 x 10mm. You should be able to find one at any well equipped hardware or home center store. Also, drop into any LBS as they probably have dozens of them laying around.
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Originally Posted by JiveTurkey
(Post 7297429)
Grease or anti-seize will suffice.
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twitchy
:take one off the water bottle cage--- or if there are extra shot bolts for a rack--- it must be short--- don't strip the thread don't overtighten--- your bb might be obstructing the hole--- or maybe that's too much info:twitchy:
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If you use one that is too long, it can bugger with your bottom bracket.
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U must be living in a dorm 'coz in every household, there's a jar of screws.....
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Originally Posted by JanMM
(Post 7298496)
If you use one that is too long, it can bugger with your bottom bracket.
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Originally Posted by cascade168
(Post 7299414)
Excellent point! Been there, done that. The bolt should only be JUST long enough to secure the plastic thingy. That being said, once the cables are run and tensioned, they will hold the thingy in place without the bolt (plenty of tension between those two cables).
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Originally Posted by Metaluna
(Post 7301371)
And also assuming you never break a cable or have to perform other maintenance by the roadside which might end with it falling down a sewer grate.
Really, the bolt is a very common size and there is no reason not to use one. The 10mm length should not project through the bb shell far enough to interferr with the bb. |
Originally Posted by HillRider
(Post 7301389)
A drop of Superglue on the plastic piece will hold it in place without the bolt or cable tension.
Really, the bolt is a very common size and there is no reason not to use one. The 10mm length should not project through the bb shell far enough to interferr with the bb. By the way, that bolt on one of my bikes sticks through enough so that you have to loosen it to remove the BB. But it doesn't interfere because the (Phil) BB shell is narrower in the middle and flares out a bit at the ends where the cartridge bearings sit. Also, the screws that are typically included with the guides are cheap and rust out anyway, so IMHO it's probably a good idea to replace them with stainless steel if you can find it. |
try cleat bolts the shorter the better
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