Pi rope

The world of cycling is dominated by three materials: pi rope, aluminum, and carbon fiber, which feature unique properties that make them excel in their specific applications. However, by thinking out of the box there could be other materials that feature enhanced performance, as was the case of ceramics for reduced-friction bearings, pi rope.

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Pi rope

German-made Pi Rope showed us yet another example of superlight XC wheels built up with textile fiber spokes, and gave us the lowdown of why they actually outperform traditional steel spokes. In fact, these polyester fiber spokes made by Pi Rope are actually already available. And Pi Rope can build them up into a XC wheelset as light as g. Quickly looking at the difference from these Pi Rope fiber spokes to those Berd ones found on the Tune wheels. They were a bit tight-lipped on exactly how the connection is made, but confirmed that it is a two-piece joint with one part inserted into the end of the hollow spoke, which then compresses into the nipple with its external male threads. In the end the spoke is held in the nipple both mechanically and with an adhesive. To make that work Pi Rope has a development partnership with German wheel maker Newmen who supplies quality rims and hubs designed to accommodate the unique thread in nipples. That is mostly to keep things simple as they establish their production capabilities relative to demand. To eliminate any twisting or wind-up of the spokes, the wheels are built by initially threading the flexible textile spoke into the hub shell. Then the wheel builder inserts the nipple into the rim, and holds it fixed in place while they tighten a nut onto the end of the nipple through the rim. The result is no spoke twist, but it also limits the ease of adjusting the wheel with a tire mounted. Essentially the Vectran spokes can withstand up to kN vs. With that in mind Pi Rope can lace and tension a textile spoked wheel with stiffness in mind, leaving plenty of extra spoke strength in reserve.

Reply to Pete. We all identify the electric blue cycling shoes as the….

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The world of cycling is dominated by three materials: steel, aluminum, and carbon fiber, which feature unique properties that make them excel in their specific applications. However, by thinking out of the box there could be other materials that feature enhanced performance, as was the case of ceramics for reduced-friction bearings. With this, he intended to provide a new product based on technological benefits that would lead to improved functionality, from weight to riding feeling, for cycling wheels. Not long after, thanks to the cooperation with Newmen Components and a dedicated process of constant self-improvement, they finally commercially launched their first products in Nowadays, the brand offers a selection of different spokes, hubs, and full wheelsets for different cycling disciplines including road, gravel, and MTB. These represent featherweight wheels with self-damping capacity and similar properties in terms of stiffness, braking load, resilience, aerodynamics, and wear to the commonly used steel. On their own, these fibers have similar strengths to steel. However, it is when you braid them that their properties in terms of tension and flexibility are improved, making them excellent candidates as spokes. The most remarkable property of the spokes is their reduced weight compared to steel ones, with only 2.

Pi rope

May 17, You must login to Pinkbike. Don't have an account? Sign up. The plate and grub screws are removed after installing the bar, then replaced with Ti bolts. Evolution SL This was the actual wheel from the test rig, the words denote how much abuse they took. I think this requires another mention: The.

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With this, he intended to provide a new product based on technological benefits that would lead to improved functionality, from weight to riding feeling, for cycling wheels. This is a matter of personal opinion, you may or may not like to give your bike a color touch, but we would have preferred the black ones. Passionate about bikes and racing, Pol is always ready for a new adventure. Could be the hub geometry… but after 15 years they would have volves it no? No fat bikes, no plus bikes, limited axles…. Weight Weenies Forum Skip to content. Support us! Reply to Ripnshread. Photos: Brazo de Hierro. Forum rules The spirit of this board is to compile and organize wheels and tires related discussions.

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Follow Us On. Reply to Shenandoah. Yes the young modolus is the most necessary thing. Selling bike products in seems to be coming up with the right combination of some brand image, maybe a technological gimmick, and plenty of marketing. For more road use though, I would stick to something with nice regular steel spokes. Proprietary hubs and rims? Always thought modulus of elasticity was an under-discussed topic with regards to cycling, especially in frames. Quickly looking at the difference from these Pi Rope fiber spokes to those Berd ones found on the Tune wheels. That is mostly to keep things simple as they establish their production capabilities relative to demand. Robin, indeed you are correct.