Rivnuts

[detec52]

Anyone here know the size of the rivnuts that go on the frame to hold bottle ect, I have fitted a yose kit but needed to put 2 more rivnuts in the frame to hold the battery I don't suppose it's worth trying halfords and bike shops around this neck of the woods don't seem interested in parts .

 

[saneagle]

Anyone here know the size of the rivnuts that go on the frame to hold bottle ect, I have fitted a yose kit but needed to put 2 more rivnuts in the frame to hold the battery I don't suppose it's worth trying halfords and bike shops around this neck of the woods don't seem interested in parts .

They're 5mm. You want to get ones with a decent flange on them for easiest fitting. Some habe virtually no flange.

 

[Gringo]

5mm standard thread for bottle cage mounting. If I remember correctly it’s a 7.1 mm hole for a 5mm rivnut and I’d also look for knurled nuts as they grip better with less chance of spinning in the hole

 

[saneagle]

Sorry, I forgot to mention that standard bottle fixings are M5, but there's nothing to stop you using M6 ones for your battery mount. They're a little stronger. On some mounts, the head height of an M6 cap screw might be a bit high, so you might have to use screws with flatter heads of which there are many types.

 

[detec52]

Tried all the cycle shops here but to no avail and they wonder why we shop online, I have ordered 5mm from Ebay but looking at the bike cross bar it seems almost impossible to get a drill in there, thinking I could drill right through from underneath and fit a long bolt? Or would you not advise?

 

[saneagle]

Tried all the cycle shops here but to no avail and they wonder why we shop online, I have ordered 5mm from Ebay but looking at the bike cross bar it seems almost impossible to get a drill in there, thinking I could drill right through from underneath and fit a long bolt? Or would you not advise?

I use a Dremmel (clone) with a carbide burr bit to carefully grind out the hole to a the correct size. The aluminium is quite thin, so you have to be carefull. Even if you could drill, the hole will go oval because it's so thin and tubular.