NoTubes rims are a good choice when it comes to build lightweight and stiff wheels. A large wheel box provides in spite of its low weight, a high rigidity of the rim and the built-up with their wheels. The NoTubes offer still more. The wheels are designed to the mounted tire can be driven without tube. The sealing action takes on a sealing fluid, sealing the tire and the transition tire rim. In this method, the friction between the tube and tire and the flexing of the tube is completely eliminated. The rolling resistance is reduced significantly!
From 2013, the Alpha 340 was reworked. The profile has been reinforced in the area of the rim seat and now holds a higher spoke tension was without heavy brass washers must be used.
Material: Aluminum Manufacturing process: CNC bent, rotated External Width: 20mm Inner Width: 17 mm Height: 22.6 mm ERD: 592 Color: Black Permissible spoke tension: 1250 N Weight Limit 110 kg with 32 spokes Number of holes: 20, 24, 28 or 32
Weight: about 385g
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