At this point, the introduction of the Kuroshiro enso 747 should probably come as no surprise. Almost exactly one year ago, Mauro Bertolloto came to us with the introduction of what he felt was a revolutionary product, an exceptionally light carbon rim for fat bikes with some interesting tech. Combining forces with Alchemist composites, the Italian duo created a carbon fat bike rim that claimed to be the lightest and stiffest rim on the market, yet one that did not need sealing tape to run tubeless.
It wasn’t long before Kuroshiro were onto their next project, launching the enso 950. Applying many of the same design features to the world of 29+, the 950 had one key difference. Due to the added size of the rim, the original 685 design didn’t provide the stiffness needed for aggressive riding. The fix was to change the center spline into the new Alpha Ridge which serves as a box structure filled with a special closed cell foam that would increase stiffness without adding much at all in terms of weight.
After the development of the 950 was completed, all that was left for the new 747 size was to make it a bit smaller and dial it in for what Mauro sees as the future of the 27.5+ standard…
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