
The Importance of the Yaw Angle and Its Distribution
Today we are going to talk about a topic that is often discussed: yaw angle in aerodynamics. Althoug...
Read moreCross-country bikes are built for speed, efficiency, and low weight – but the Silva takes it one step further. It blends the agility of an XC bike with the control of a trail bike, setting a new benchmark for all-terrain performance. Light, fast, and with a progressive geometry, it delivers unmatched climbing efficiency and superior downhill control. The Silva is made for those who refuse to compromise. Whether you're racing, tackling technical trails, or pushing hard on after-work rides, this bike delivers in every situation. Designed with decades of experience. Assembled in Germany.
In mountain biking, stability is the key to true speed. The more confidence your bike gives you, the harder you can push it – and that’s exactly where the Silva excels. Its progressive geometry, featuring a slack head angle, long reach, and steep seat tube, maximizes control on descents without sacrificing climbing efficiency. Studies show that geometry has a far greater impact on downhill performance than weight or tire choice – which is why we made it our priority. Suspension setup is just as crucial. The innovative Slider Suspension keeps the rear end lighter, more compact, and highly responsive, with optimal leverage. Combined with perfectly tuned suspension components and cutting-edge Shimano brakes, the Silva sets new standards for efficiency and control. The result? More speed, more flow, more fun – whether you're racing or shredding your local trails.
More important than all the technical details on the Silva is the geometry. The numbers would not be out of place on an enduro bike: A 65° head tube angle, 465 mm reach (size M) and 76° seat angle. Why did we go that way? Because various studies showed that after eliminating differences in tires and weight, the bike makes a much bigger difference in downhills than in climbs. Our geometry is just as good as others on the way up, but when things get hairy, it becomes an almost unfair advantage.
We use a slider instead of a linkage on the Silva for multiple benefits: It is lighter, it is compact, and it creates the best leverage curve we can think of. For best function, we source the best components and assemble them at our own facility in Germany.
An optimized design is the necessary base for such a lightweight product. We did a lot of iterations in FEA to find the optimal shape that reduces surface area while retaining stiffness.
Countless iterations of virtual layups went into the development of the Silva, something impossible to do relying on physical prototypes. We made sure that every fiber has its function.
We checked each aluminum part for possible weight savings. Compared to our starting point, we saved 40 g, which at this level is a massive improvement.
We integrated a minimalist, lightweight chainguide into the design.
The performance of a mountainbike cannot be measured in Watts or grams alone. Handling is the most important aspect. Key components besides frame geometry are tires, grips, suspension and brakes. When tested against other tires, the Wolfpack tires were consistently fastest, with an average advantage of 40 seconds over the typical XC race duration of 75 minutes. We are only using the best suspension components, tuned to match our kinematics, and the latest Shimano brakes, which are the current benchmark. And in terms of Watts, nothing matters more in mountainbiking than drivetrain efficiency, where the CeramicSpeed Ufo chain comes to full effect in those steep, slow climbs.
Today we are going to talk about a topic that is often discussed: yaw angle in aerodynamics. Althoug...
Read moreA deep dive into the development and verification of the aerodynamics of the Callis.
Read moreA waxed chain is faster, leaves you more time to ride and saves money.
Read moreAvona bikes are assembled to order in Germany and sold through specialised dealers. Find a dealer near you or contact us at info@avona.cc
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