These lightweight carbon hoops are designed for serious cross-country racers and gentler trail riders. Tipping our scales at 1,457g, they certainly tick the lightness box.
They’re stouter than many XC wheels, and almost as stiff as some alloy trail hoops. The rims are made from unidirectional carbon, layered so as to add strength where it’s needed most.
Related: Trek's 20lb Procaliber 9.9 SL is pure cross-country porn
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The spoke bed is offset to even up the spoke angle and increase stiffness further. This means a single spoke length is used throughout the wheelset, making replacement easier.
We measured the inner rim width to be closer to 20mm than the claimed 21mm. This means larger tyres (2.2in+) roll around on the rim with little encouragement unless you up the air pressure, reducing traction.
Stiffness is fairly impressive for such lightweight hoops, but when pushed hard – harder than you’d dare push most XC wheels – we did manage to buzz the rear tread on the chainstays. Low weight combined with rapid (6.9-degree) engagement boosts acceleration.
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