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I'll soon start a rather long trip from Ushuaia in southern Argentina to Alaska in the north of North America. As I'm from Europe (France), I don't really know what to expect about spare parts for my bike in South America.

I'll ride a Kona Rove ST, a gravel bike with 650b wheels and 47mm wide tubeless tires. The train is 1x11 SRAM. How easy do you think it will be to get new tires, gear parts, tubeless sealant and other spokes?

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    I suspect for touring in more remote areas your going to have a much greater chance of replacement tyres in 700c rather than 650b. And regardless, whatever you can get, don't count on it being tubeless compatible. – Andy P Oct 25 '19 at 11:53
  • 650b being 27.5", I thought it would be more available than 700c... – Shan-x Oct 25 '19 at 12:09
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    27.5/650b is a recently resurrected standard that is mostly found on Enduro/DH MTB's, and in the last year or two on gravel bikes. In remote areas you are probably more likely to find 26" standard than 650b. 700c on the other hand is a well established standard used by road/cx/touring/xc-mtb for many years – Andy P Oct 25 '19 at 13:26
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    I highly recommend switching to inner tubes and taking a spare folding bead tire along with inner tube patches and at least one spare tube. Getting additional patches if you fun out should be easy. It’s also a good idea to carry a few spare spokes (especially drive side rear), or a Kevlar cable temporary spoke. And some spare shift and brake cables. You are very likely to spend time in places where parts are hard to find, especially for newer tech. – Andrew Oct 25 '19 at 23:49
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    Are you doing this alone, or in a group? How big is the group ? – Criggie Nov 4 '19 at 3:12
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I have around 1 year touring experience in South America. Mostly remote dirt roads and trails.

I would never ever purposely run tubes again.

As long as you are confident in your tubeless setup flats should be almost nonexistent. I only carry one tube for emergency that has never been used. A small bottle of spare sealant is pretty essential to top off if you start to get small air leaks. Needle and thread to sew small cuts, as well as tire plugs. A few patches if you are forced to use a tube.

All decently large size cities in Chile and Argentina should be fairly well supplied with bike parts (somewhat less so in other countries in my experience). If not, then it is usually easy to travel by bus somewhere bigger. If you are in big cities (especially capital cities) can be good to stock up or change parts, especially if you are headed to remote areas.

Tubeless sealant is becoming more and more ubiquitous, especially in MTB communities. Usually these guys are not running tubeless specific tires, and they make it work. 650b mountain bike tires will be easier to find than road or gravel tires (could be an issue, not sure what tire clearance a kona rove has?).

SRAM parts can be much trickier to find than Shimano. Old shimano standards are king. Dub and GXP bottom brackets/chainrings could be difficult (especially 1x). I believe Peru only recently has an official SRAM importer.

I would carry plenty of extra brake pads, they are light and depending on your brake model could be difficult to find.

Generally just keep an eye on parts. Be religious about cleaning and oiling your chain. Have a good idea for what is wearing and when you might need to replace it, and plan ahead.

  • In short... "what if?" I would carry a spare tube or a spare tyre that can be fitted and seated in the wild. But its all about risk/cost/benefit when packing all your stuff on the bike. – Criggie Nov 4 '19 at 3:11
  • Why is it difficult to travel by bus? – SurpriseDog Nov 4 '19 at 14:29
  • @SurpriseDog Sorry, I guess the wording wasn't clear. I meant that it is usually easy to travel by bus. – Kai Dijon Nov 6 '19 at 1:04
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I suggest you plan your route through as many of the significant towns and cities as feasible. Then google up the addresses of bike shops in each town, and save that list somehow with you, either on thin paper or on your phone.

And you should carry everything you'd need to do a basic roadside repair and maintenance. Tools would be a decently specced multitool+chaintool, as well as cassette lockring tool and a lever for it (for spoke replacement).

For consumables, I'd suggest carrying this on your bike all the time: three tubes per bike, a pack of sticker patches, chain lube, one spare gear and one brake inner cable, four spare spokes and nipples, chain master links, and cable ties and some suitable spare bolts. Perhaps one spare chain in the group for emergency.

Expect do a significant overhaul at least once on your trip, where you replace brake pads and all cables and so on, but that would be in a town or city not in a little one-pub town or worse on the side of the road.

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    That's not dissimilar to what I carry on long rides in the UK, when I'm likely to be riding far from bike shops which are probably shut at the time (I've been known to ride through the night). One thing I'd add is some means of dealing with a broken rear derailleur - maybe a complete spare, plus a hanger. An emergency singlespeed conversion is all very well if it works, but you don't get much choice of gear, and it could be a long way until you can find a replacement – Chris H Nov 3 '19 at 22:06

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