We utilise the lower stiffness of Titanium to better isolate the high frequency vibrations of rough roads, whilst maximising torsional stiffness through asymmetric structures, transforming both ride and performance. Only the finest grade Ti6Al4V Titanium Alloy is used and the latest 3D printing technology allows us to form it into previously impossible shapes to create Bastion’s breakthrough frame design. However, in areas such as the bottom bracket, carbon fibre creates an overly stiff joint that compromises ride comfort. The frame’s tube sections, which are the areas of highest deflection, use Carbon Fibre because of its renowned damping properties. It’s the rider’s holy grail – a frame that blends the torsional stiffness and performance of a Carbon Fibre frame with the ride comfort of a Titanium frame. Our engineers have fine-tuned the ideal combination of Titanium and Carbon Fibre to yield a frame with the optimum balance of performance and mass. This enables precise fibre orientation and continuous fibre paths giving us ultimate control of the performance characteristics of your bike.īy combining Titanium and Carbon Fibre, Bastion bike frame technology gives you the best of both worlds, to create the best frame in the world. Our tube sections are wound layer by layer in carbon fibre over a mandrel in a computer controlled process called filament winding. The result is mechanical properties that rival those of forged parts. A specialised laser then fuses the powder to your exact specifications in a hermetically sealed, inert gas environment. Our lugs are formed out of aerospace grade Titanium alloy powder. A Bastion bike is always delivered to the promised standard with the technical reports to prove it. We are among the few custom builders in the world to do this, and we pride ourselves on our integrity. That’s why Bastion frames are certified to international standard ISO 4210. We believe every rider should be certain their bike is safe and that every frame that leaves our workshop should last a lifetime. Our manufacturing process from 3D laser fusing to final painting requires over 130 hours of precision work by machine and more than 70 hours of meticulous hand craftsmanship. The output of this process is a technical drawing and four page detailed engineering report with an explanation and graphical representation of how your bike will perform.Īfter you have approved the above three stages we will move your bike into the production queue. A virtual test ride if you could call it that. This enables us to predict how truly unique bikes that have never been made before will perform. The only tool of its kind in the world that we know of. We use a holistic approach and have developed our own in-house simulation tools and metrics that predict how a bike will handle and its stiffness. Engineering – after we receive your bike fit information we will undertake the engineering of your frame. We will provide you with your own mock-up of how the bike will appear so that you can approve the design. You may want to add an artwork or your country’s flag.
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