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How is a carbon fibre road bike made? We went behind the scenes at the massive XDS Bikes factory in China to see how carbon road bikes and gravel bikes are made.

X-LAB bikes are the latest to join the pro cycling ranks with the XDS Astana team and they'll be racing the 2026 Tour de France on the X-LAB AD9carbon fibre road bike. Here's the secrets behind one of the largest bike manufacturers in the world and what's next for one of the most exciting brands in cycling in 2026.
Transcript
00:00No Western media has ever been allowed through those gates.
00:04Until now.
00:1020,000 bikes a day.
00:138 million bikes a year.
00:15There's a pretty high chance that your bike was made in one of these mega factories that you've never heard
00:21of.
00:27Well, they've just crashed the world tour party and now we've been given an exclusive access all areas pass to
00:35a brand that is changing cycling forever.
00:38This is China.
00:40Welcome to XDS.
00:46China, the place where 63% of the world's bikes start their lives.
00:53But forget what you think you know about Chinese manufacturing, because this isn't just any factory.
00:58This is the XDS factory, one of the biggest, most influential and fastest growing players in the cycling industry.
01:06And for the first time ever, we've been given exclusive, unprecedented access to see how they pull it off.
01:14128 CNC machines.
01:16Yes.
01:17That is incredible.
01:19In this feature length special, we'll be taking a deep dive into the tech,
01:24unraveling 30 years of carbon fiber expertise and getting hands-on helping birth their flagship bike,
01:30the XLAB AD9, the bike of XDS Astana.
01:37So where better to find out how a world tour bike is made than here in Shenzhen at the XDS
01:43factory,
01:43where I believe they're doing more of the processes in house than just about anyone else.
01:49So today we're going to follow one of these from start to finish.
01:54To help us out, we're going to get shown around by vice president of engineering, James.
01:59So with a nine step bike building process ahead of us, we better get cracking.
02:09So welcome to XDS Carbon Tech, where, well, this is the carbon fiber facility, where we're about to have a
02:16tour of how a bike goes from an idea in an engineer's brain to a reality.
02:23And up there, those four words, well, that means the pursuit of perfection.
02:34Okay, so step one, this is one of the molds that the carbon is going to get laid up into
02:39to create one of the XLAB AD9 frames.
02:42That's a very natural way.
02:43Okay, so we use the mold that we bought back when we bought before we bought this material.
02:51It has to have a wide range.
02:55The wide range is only 0.5mm.
03:00The size of the size is about 400mm.
03:04So, the size of the size of the size is about 800-1000mm.
03:10The material needs to be better.
03:13And then, the size of the size of the size is about the size of the size of the size
03:20of the size of the size.
03:21That's the case.
03:23XTS, because they're doing this on such a massive scale,
03:26they've tried to automate as much of the process as possible.
03:29But then, as we'll see in a minute, there's still a lot of things that are going on by hand.
03:34The more nuanced tasks, so the polishing of the molds,
03:37because any errors here, it's just going to create a load of problems down the line.
03:42And that's why XTS wants to keep this in-house.
03:45This thing weighs 400 kilos per slab.
03:49So, I'm going to try and pick one up.
03:57It weighs a ton.
03:59Well, actually, it weighs about half a ton.
04:02Not a whole ton.
04:13So, this is basically the polishing process.
04:16Well, they're polishing by hand, so that they can check that it's as smooth as possible.
04:20Because any errors here, carbon fiber, when they lay it up, is really susceptible to,
04:27if there's any defects, then it's going to transfer into the completed bike.
04:41So, this is it, the complete mold, ready to lay up some carbon fiber in.
04:46And there's 15 components here.
04:48The tolerances have to be, like, minuscule.
04:52So, this has got a margin of error of 0.05 millimeters.

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