But I was on the flat tyre and rim all the way down. I ran for a little while, but ended up riding to the bottom grounded, and avoiding rock gardens. Barely into one of the main flow lines I put a hole in the Aggressor that couldn’t seal, and the tube I had didn’t have a long enough valve for the rims, that are a little deeper than alloy rims. It’s not really our place to do destructive testing here at AMB, but at Maydena I thought it might happen. And while I mostly used them on my own Norco Sight, that did extend from cross-country rides with mates through to big day rides in Blue Derby, shuttle runs in Maydena, Garapine and more. Given the specificity of mountain bikes now, that means the XMC 1200 wheels have a very broad performance range, running from XC through to all-mountain. Riders on the Focus XC Team have opted for the 30mm internal width, and it’s a wheel of choice on many high-end trail and all-mountain bikes. World Champions like Nino Schurter and Jolanda Neff use the 25mm internal. And so in their carbon fibre range they have the XRC 1200 with a 25mm inner width, alongside the XMC 1200 here. And that’s exactly what you should expect with such a purchase.ĭT Swiss did their own testing with a range of their athletes to find the best internal rim measurements for cross-country and trail wheels. All DT Swiss wheels are built by hand, not machines, to exacting tolerances.
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Using their own AeroLite straight-pull spokes and Squorx nipples plus the acclaimed hubs – there’s no part of the wheel that isn’t up to scratch. The internal rim width is the same as the Syncros wheels I tested on a Scott Genius in a previous issue, the wheels are just a whole lot stiffer thanks to the rigidty of a deeper carbon rim. This really lets a tyre of 2.3” - 2.6” width fill out while still offering the right sidewall stiffness. The XMC 1200 rim sits at 36mm wide, with a 30mm internal width. These were just under 1600g with tubeless tape. For reference, the wheels claimed weight of 1547g would be about right. Just like a cassette, do them up to the recommended torque for worry-free use.
It’s worth noting the DT Swiss have centrelock disc fitting on these wheels, but adaptors come in the box. This wheel set is in 110x15mm and 148x12mm Boost spacing with 29”hoops, but non-Boost models and 27.5” models are also available. The hubs are the Spline model – the lightest mountain bike hub DT Swiss make – which is essentially DT Swiss 240s internals with an upgraded 36t ratchet on a hub shell designed for straight-pull spokes.
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Out of the box the wheels had a SRAM XD driver that I swapped for the included Shimano freehub body. The WT (or wide trail) tyres are more suited to rims with a wider internal width, and we’ve heard from DT Swiss that some of their supported athletes on Continental tyres tend to ride 30mm internal, while those on Maxxis tend to ride 25mm internal.
It’s worth noting that a Maxxis 2.3” tyre only just has the edge knobs inline with the sidewall, and it’s the same with a 2.3” Minnion too. I fitted a Maxxis Minnion DHF 2.5” WT on the front and a 2.30” Aggressor on the back, they inflated easily with some sealant and a track pump. These DT Swiss wheels came out of the box taped and ready to go, with valves, spoke tools, a manual, a freehub body and two nifty wheel bags. And according to the tests Ben Morrison ran for us last issue, they really should have a 30mm inner width to offer the best stability for a higher volume trail or all-mountain tyre. They shouldn’t deflect easily, should be light enough to climb, have replaceable parts, be easily serviceable, easy to set up tubeless and adaptable for Shimano cassette bodies or SRAM XD drivers. And a mountain bike wheel like the XMC 1200 Spline 30 epitomises their ability to design and manufacture a wheel for modern mountain biking.īut what is modern mountain biking and what should a wheel for that have? Here at AMB we figure that means a wheel that can descend fast thanks to a strong rim which aids precise handling. The Swiss perfectionists are known for their design, and with products like their range of spokes, the star ratchet system, the 240 hub and even their wheel strength testing system developed with the UCI, they are an industry leader in wheels and wheel components.
With a manufacturing heritage of well over a century, you would be hard-pressed to find a workshop without a range of DT Swiss spoke boxes for custom builds and repairs. The development of mountain biking has progressed so much in the past 10 years, and the bikes and components we use have kept up and even allowed the progress in many instances.ĭT Swiss are a well-known spoke, hub, rim and therefore wheel manufacturer based in Switzerland. Of course that will depend on the bike you’re riding and how suitable it is for what you do but I can’t think of many instances where that doesn’t hold true, especially as the demands we put on our bikes continues to grow.