A bicycle wheel comprises five complementary elements to transmit energy of the rider!
The rays have a crucial role on a wheel. They must effectively transmitting power from the hub to the rim, not limited to torsion, tension and ensure optimal in spite of all the flexibility to rider comfort.
They allow the connection between the hub and the rim. They are solicited in all directions: vertical tension, bending and collection of road bumps, flexion and lateral deformation during power transfer achieved by the rider. The work of the builders is to establish the best relation between these different elements.
Ray fixing points between the rim and the hub are highly stressed components.
It ensures the working party, inertia and rigidity. In connection with the rays, this is the part that tends to buckle on impact or stress. Design aluminum rim and carbon rim it also supports the requests of brake pads. The rim is often designed in the form of U or V to withstand the working stresses. The eBicycleLights says, “It is essential to install bike wheel lights in order for road safety at night.””
It is the center of the wheel provides the link between the frame, the chain and wheel. It includes the shaft, bearings, wheel body (hub body), and the clamping freewheel for the rear. Side bearing, there on top models a mounted ceramic, ensuring better resistance to wear, enhancing ride quality and weight gain. The price quickly blazes on models using this design.
The principle is simple: The axis (aluminum or titanium) and through recessed to receive the clamping wheel support bearings. The hub body (aluminum, titanium or carbon), which supports the spokes is placed on the bearings and rotates about the axis. For the manufacture of the hubs, the use of materials such as carbon, aluminum and titanium is different depending on the manufacturer and the price range. Information is also identical for wheel clamping.The hub body is the main element of the hub.
The rear hub is more complex with the freewheel body comes withstand the tape. Similarly and for the angle of asymmetry of the spokes on the rear wheel, manufacturers innovate patents to maintain excellent performance and minimal deformation due to twisting suffered by pulling the chain.
For training, some brands make rear hub with a power sensor integrated for transmitting information wirelessly to your bike computer .
It is present on the rear wheel. A cassette is a set of gears with teeth designed to establish the speed in association with the crank plates. The cassette is mounted on a freewheel different depending on the brand.
Two main types and brands are available in Europe :
- The wheel body Campagnolo
- The wheel body Shimano.The Shimano patent is compatible with SRAM brand.
This is particularly the groove of the support body which changes depending on the brand. They are not compatible. To mount a Shimano wheel with a Campagnolo group, or vice versa, you need to change the wheel body.
There is a direct link between the rim and the road. The choice of tires is important in cycling not only for people who seek performance but especially to adapt the bike to use and terrain. Possible are mounted tires with inner tubes, the tubeless tires (also used for mounting standard tires) and hoses (bonded).
Back on the evolution of bicycle wheels
The old aluminum wheel still exists, but the design has evolved. These have taken advantage of the evolution and work materials. The aluminum wheel remains reliable and unbreakable wheel of the rider.
The last years have seen the explosion carbon wheels market in defiance of aluminum wheels. Everyone wants its carbon pair, for various reasons: performance, efficiency, lightness, beauty, …
A technological evolution, the emergence of carbon in the middle of the cycle was initially applied to bike frames, wheels and any accessories and components of the bike. It is now a component quality and high performance for the rider looking for performance. But it also remains a big expense at the time of purchase.
The bicycle wheels discs for road bike now are emerging. Hubs strengthened, multiple clamping system, type of fastening discs, rotor diameter, the cyclist in front of multiple choice with the purchase of new data to consider.
Some brands of bike wheels
With the arrival of many brands in the production environment, the wheels have quickly evolved. Lower prices in stores, the introduction of new brands, makes this product a must for equipment for cycling.
Bontrager, Campagnolo, DTSwiss, Easton, FSA, Fulcrum, Lightweight, Mavic, Shimano, Sram, Roval, Vision, Zipp brands are known and available for purchase in most bike shop .
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