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RockShox

RockShox invented the modern mountain bike suspension fork in 1989 and has been refining it ever since — from the RS-1 that first put suspension under riders in the dirt, to the Flight Attendant system that wirelessly adjusts damping in real time based on terrain and rider input. The brand that helped define mountain biking as a discipline is now part of SRAM, and it remains the benchmark against which most suspension is measured.

The RA Cycles RockShox collection covers the full performance range: SID forks and SIDLuxe shocks for cross-country and race-day efficiency, Lyrik forks for trail and all-mountain riding, Zeb forks for aggressive enduro terrain, and the Reverb AXS wireless dropper post. Service kits, air spring upgrade kits, and replacement parts round out the lineup for riders keeping their suspension dialed.

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About RockShox

RockShox was founded in 1989 by Paul Turner, and within a year Greg Herbold had used an early RockShox fork to win the first-ever UCI Mountain Bike World Championship downhill title — an origin story that set the tone for everything that followed. The brand pioneered suspension technology through the 1990s, was acquired by SRAM in 2002, and has since been developed as part of SRAM's broader component ecosystem. Today, RockShox forks and shocks appear on bikes at every level of competition, from cross-country World Cup racing to enduro and downhill. Learn more at RockShox's website.

At RA Cycles, the RockShox selection spans forks, rear shocks, and dropper posts across the brand's performance lineup. The SID Ultimate with Flight Attendant handles XC and race-day duties — electronically controlled, wirelessly synced to the rear shock, and tuned for minimal weight. The Lyrik Ultimate with Charger 3.1 RC2 brings the same damping precision to trail and all-mountain riding, the Zeb covers longer-travel enduro terrain, and the Reverb AXS dropper post adds wireless control to seat height management.

Browse the full suspension collection for forks, shocks, and upgrades. For the bikes these components belong on, see the mountain bikes collection. Dropper post options from RockShox and other brands are also available in the seatposts collection.

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R&A Cycles - 50th Anniversary

50 YEARS AND COUNTING

From a Brooklyn storefront to flagships in Walnut Creek and Miami, from handwritten mail orders to a fully digital custom bike builder — RA Cycles has spent half a century doing one thing: serving riders who demand the best. That half-century belongs as much to you as it does to us. The riders who kept coming back, who sent their friends, who trusted us with bikes that matter — you're the reason we're still here. Here's to the next fifty.

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