I don't know if brass threads are up to the load? The cage is fastened to 
the standoff by a screw that cannot extend into the frame braze-on so each 
traditional bottle cage connection becomes a chain of two brass to steel 
threaded connections.

I'll stick with longer M5 cap bolts and spacer ferrules, like this: 

Andy Cheatham

On Friday, April 6, 2018 at 10:26:40 PM UTC-4, Benz, Sunnyvale, CA wrote:
> If one really wants to be fancy, one can buy some brass standoffs with M5 
> male and female threads. I got a handful off eBay 
> <https://www.ebay.com/itm/183039069971> (<- not an endorsement, but a 
> sample) one time for a few bucks shipped. A small collection of these in 
> various lengths are quite useful for spacing that perfect fender line, as 
> well as spacing out that bottle cage. I've been known to grind almost the 
> entire length, from its hexagonal cross-section to circular (leaving just a 
> bit to tighten the standoff), and polish the entire thing for effect. 
> Certainly, these go well with brass ferrules and bells, especially as they 
> acquire a bit of patina. (*insert Leica brassing fetish comments here*)
> Speaking of bottle cages, there are two kinds of design you can buy. I 
> tend to categorize them into the "Ciussi 
> <http://www.elite-it.com/sites/default/files/styles/product_zoom/public/Elite-Ciussi-Inox-BottleCage.jpg>"
> kind that has a 1-piece attachment, and the "King 
> <http://www.kingcage.com/products/steel-water-bottle-cage.jpg>" kind that 
> has a 2-piece attachment. The King cages tend to impose less restriction on 
> where one can mount the front derailer clamp, especially if said clamp is 
> thinnish and no clamp shim is used.
> On Thursday, April 5, 2018 at 1:37:00 PM UTC-7, Jeffrey Arita wrote:
>> In a pinch one could also use valve stem nuts.  Inside diameter is good 
>> and they are decent thickness.  Can 'stack' them for rack mounting off-sets 
>> at fork braze-on too.
>> Jeff
>> On Wednesday, April 4, 2018 at 8:03:20 AM UTC-7, tc wrote:
>>> I wish Riv, and other companies, would ship their bikes with longer 
>>> bottle cage bolts and spacers to enable one to mount a cage (or whatever) 
>>> so it will clear/span the front derailleur clamp.  (They do know it's 
>>> there...).  And, to be fair, maybe all bottle cage manufacturers could 
>>> design cages with mounting tabs that would stick out enough to clear 
>>> derailleur clamps :)  Anyway, my Velo Orange "Retro" bottle cage has a 
>>> perfectly flat mounting area, so I needed a solution.
>>> I saw that Problem Solvers provides a bolt+spacer solution ... so 
>>> obviously this is common enough to warrant some company selling a 
>>> work-around.  As I thought it might be over-priced, but more importantly 
>>> because I wanted to get on with it and ride, my solution was to:
>>> - Go to Performance Bike 10 min away and get two M5 x 0.8 x 20mm socket 
>>> head stainless bolts (free ... they had a jillion in a plastic jug of diff 
>>> lengths)
>>> - Go to Home Depot 5 min from there and get two packs of four M5 
>>> stainless flat washers (a little over $1 for both packs total).  They had 
>>> no suitable 4mm-ish spacers
>>> - Stack 4 washers behind each mounting hole in the the bottle cage so as 
>>> to space it out and just clear the protruding derailleur clamp
>>> Including the driving and looking for stuff, I was good to go in about 
>>> 45 min from initial head-scratching.  From 5 feet away, you have to look 
>>> really hard to discern the diff between washers and single spacer.  Of 
>>> course the bottle hides everything when it's in the cage.
>>> <https://lh3.googleusercontent.com/-NTDqiW4MqfY/WsTm8XvLKlI/AAAAAAAABWY/k6rzrN5hlw0bIA2eU4klpApLhkM_jp7UgCLcBGAs/s1600/bottlecage_mounting_solution.jpg>
>>> Anyway, I'm sure others have some up with similar solutions.  This is my 
>>> quick, cheap solution - hope it helps somebody.  I probably need to look 
>>> for a bike-oriented metric fastener|washer|spacer "kit" somewhere.  I tend 
>>> not to need anything metric except for bikes, so I haven't built up a bin 
>>> full of this stuff yet.
>>> Tom

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