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The SRAM XG-1090 cassette RED® PowerdomeX™ delivers an undeniable performance advantage. The eight cogs in the middle are machined from a single block of high grade tool steel, increasing stiffness while weighing even less than a titanium cassette. Between each cog in the block is a StealthRing™ elastomer to reduce vibration and noise. Cutouts on the rear cog further reduce weight and add stiffness.
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Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are independent and do not represent the views of The Hut Group.
Ultra-light with quick, positive shifting. The best 10-speed road cassette available.
The SRAM RED® PowerdomeX™ is as advertised. It‘s super light and deadly silent.
Smooth. Quiet. Light. Gear changing is very quick. A noticable improvement over the OG 1090 but not hugely. I just love it.
Awesome quality for a great price. Fast delivery. Totally recommended.
The SRAM Red XG 1090 Bicycle Cassette is a smooth running cassette.
Much of the reduced sound level from the drivetrain is result of the newly designed cassette body. The middle 8 cogs are still machined out of a piece of steel (which is lighter and stiffer than titanium) while the outer cogs are aluminum, but theyâ€™ve done a couple things which have improved shift quality and reduced the noise level significantly.The cog teeth have been designed to load, transition, and unload the chain in a way that reduces noise by reducing surface contact at certain points between the chain and the cogs. Then add in what SRAM call their â€œStealthRingâ€� elastometers between each cog, to further reduce the noise level. The StealthRings are actually a slightly larger diameter than outer cog next to it, so these elastometers contact the chain before the actual cogs do when the cogs pick up the chain â€“ so the impact of the chain engaging the cog is reduced, and therefore less noisy. In essence â€“ they cushion the landing of the chain onto each cog.
I had the og1090 cassette and thought it was brilliant but damaged it so needed a new one. After worrying about the price of this cassette I finally bought one and I am glad I did. The old red cassette was reasonably quiet but this is silent, also I find the shifts up and down are smoother and crisper than the old red. As an added bonus it is even lighter and looks fantastic although I think it will be a lot harder to keep clean. When I bought this I also bought a new chain because pbk were offering 25% off if you bought both together which brought the price down a bit, although after using it I would buy another at full price if I had to.