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Water bottle cage screws wont spin out.

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Water bottle cage screws wont spin out.

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flag teragyro
Posted: Oct 24, 2020 at 18:10 Quote
So i just picked up my brand new 2021 Giant Trance Pro 29 er and went to mount my bottle cage but the screws just spin....and spin....and spin. anyone else have this issue or it there some trick to mounting a cage on a carbon frame.
flag JonnyTheWeasel
Posted: Oct 25, 2020 at 3:54 Quote
Sounds like the insert has come loose...
flag c0rpsejockey
Posted: Oct 25, 2020 at 5:58 Quote
Highly recommend taking it back to get fixed or exchanged. Ive had to drill those inserts out and replace them before. Not hard, but id be a little pissed if I had to do it on a brand new bike.
flag wanderingbike
O+
Posted: Oct 25, 2020 at 6:11 Quote
You can put a sharp pick on the insert to hold it from spinning and then back the screw out. After you get it out, the insert is going to have to be compressed more to grip the frame. See Google for installing inserts to learn how they work.
flag Spangoolies
Posted: Oct 25, 2020 at 10:55 Quote
The ones on my carbon mega did this. They were like a threaded rivet that needs to be compressed to bite against the frame and stop spinning freely and attaching something to them can do this. I used a rubber washer on each bolt between the bottle cage and the frame to help stop it spinning for the first time and tightened the bolts down which compressed the inserts enough to grip the frame and then reinstalled the bottle cage without the rubber washers. All inserts are nice and tight now. Don’t go crazy with the torque, too tight can damage the carbon. Should only take a little to get them to compress enough to bite
flag teragyro
Posted: Oct 25, 2020 at 19:26 Quote
thanks for the replies....I'm gonna call the bike shop i bought it from (about a 2 hr drive) and see what they say. It sucks because i dont want to ride the bike until i hear from them and they are closed Sundays and Mondays.
Actually was convinced to go grocery shopping with the better half as i wasnt riding.
flag anoplura
Posted: Oct 25, 2020 at 21:05 Quote
Call the bike shop before going out there! This is a pretty common problem on older carbon and aluminum bikes, (...and less common, but still disappointingly frequent on new bikes) but you'd be surprised how few bike shops have the proper riv-nut tool in stock to fix it. You definitely don't want to drive 2 hours unless you know they'll have a solution ready for you - whether it's a fix or a replacement bike.
flag c0rpsejockey
Posted: Oct 26, 2020 at 1:32 Quote
Ah man, thats better than I thought. My first alloy mtb had kind of nutsert that I absolutely could not get to screw in and tighten. I had to drill out and replace with rivnuts.
flag teragyro
Posted: Oct 27, 2020 at 16:45 Quote
Called the bike shop today, said its a simple fix , they have a specific tool for imbedding the cage screws.

Sucks though cause its an almost 2 hr drive to get there.
flag teragyro
Posted: Oct 30, 2020 at 13:17 Quote
Willis24 wrote:
Ask a Mechanic: How To Fix Loose Water Bottle Bosses

Thanks for the post. ima gonna let the shop deal with it though.
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