2023 Classic PRO D28-45 frein à disque noir décalques PILLAR WING21 Spokes
Classic PRO D28-45 Disc Brake Black Decals PILLAR WING21 Spokes, the spokes and wheels have been upgraded from the classic version to ceramic bearing wheels and straight pull spokes, while the disc version features rear wing 21 spokes for increased riding speed and efficiency. Although wheels are designed to be lightweight, they are generally still strong and rigid, able to withstand high forces and pressures and maintain a stable ride.
Explore the freedom of wheelset with our many shipping options.
Spoke Tension Balance
The spokes of the rim brake version's rear wheel and the disc brake version's front and rear wheels all use a 2:1 flat braid method to reasonably distribute spoke tension, making the pedaling transmission more powerful.
The rear wheel drive side spoke tension is 120kgf ± 10%
Non-drive side spoke tension is 100kgf ± 10%
Compared with the 1:1 weaving method, the balance is improved by about 100%
Wider And More Aerodynamic
All Classic Pro series rims are designed with an outer width of 28mm and an inner width of 21mm. The 28mm outer width rim design is wider than most current wheel products. When used with 25c and 28c tires, it can create a flatter aerodynamic surface and reduce air resistance.
NBK Ceramic Bearings
The Classic Pro comes with ceramic bearings, Ceramic bearings use ceramic races, which can be lighter in weight and have less rotational friction resistance. The surface of the ceramic material is smooth and the friction coefficient is low, which allows the bearing to reduce energy loss during operation and improve your riding efficiency.
Spokes And Hubs
Spokes and wheels have been upgraded from the classic version to ceramic bearing wheels and straight pull spokes, while the disc version gets a rear wing 21 spoke. 21-spoke wing wheels are usually aerodynamic, meaning that the shape of the wheel and the layout of the spokes reduce air resistance, resulting in increased riding speed and efficiency. Although the wheels are designed to be lightweight, they are still generally strong and rigid, able to withstand high forces and pressures and maintain a stable ride.
Integral Rim Brake Surface Design
The rim features a one-piece hollow rim design with an integrated braking surface for enhanced structure and performance. You don't have to worry about the braking surface peeling. The K-line brake edge dissipates heat and drains water, eliminating the risk of brake lock and reducing the braking surface temperature.
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