Rockrider Race 900s

Rockrider Race 900s

The mountain biking world is no stranger to innovation, and every so often, a bike comes along that truly captures the essence of what it means to shred the trails. Enter the Rockrider RACE 900S, a bike that's not just about getting from point A to B, but about the journey, the experience, and the thrill of the ride.

Our Verdict: Designed for the hardcore enthusiasts who live for the singletrack, the RACE 900s is set to redefine affordable performance in cross country (XC) and XC marathon riding. 

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The heart of the RACE 900S is its full carbon frame. Lightweight, durable, and meticulously crafted, this frame is all about optimizing performance. The carbon construction extends to both the main and rear triangles, as well as the shock link, ensuring uniformity in strength and weight distribution.

Suspension is a critical component of any mountain bike, and the RACE 900S doesn't disappoint. With a "single indirect pivot" design, the bike leverages the flex of the upper stays combined with a unique link system. This results in a ride that's both plush and efficient, allowing riders to tackle gnarly trails with confidence.

The bike's geometry is a blend of stability and agility. A 68-degree head angle paired with a 73-degree seat angle ensures the bike is responsive, whether you're hammering uphill or hucking down a steep descent. The reach and stem measurements have been optimized for performance, ensuring a comfortable yet aggressive riding posture.

Component-wise, the RACE 900S is decked out with the best. The Sram GX Eagle AXS groupset promises flawless shifting, while the carbon Reynolds wheels ensure a smooth and speedy ride. The Rockshox Reba RL fork and SidLuxe Select+ shock, both offering 120mm of travel, are the perfect companions for those looking to rail berms and send it on the trails.

Rider Experience

The RACE 900S is all about the ride. On smooth trails, the bike feels nimble and quick, allowing riders to effortlessly glide over the terrain. When the trail gets rough, the bike's suspension system comes into play, absorbing shocks and ensuring a smooth ride. Whether you're climbing steep inclines or descending technical singletracks, the RACE 900S has got your back. Its performance in varying weather conditions is commendable, ensuring riders can shred the trails come rain or shine.

Technical Specifications

  • Frame: Full carbon frame, including main triangle, rear triangle, and shock link.
  • Suspension: Rockshox Reba RL fork and SidLuxe Select+ shock, both offering 120mm of travel.
  • Groupset: Sram GX Eagle AXS.
  • Wheels: Carbon Reynolds wheels.
  • Brakes: [Specific model not provided]
  • Forks: Rockshox Reba RL with 120mm travel.
  • Rear Derailleur: Sram GX Eagle AXS.
  • Disk Brakes: Sram Centerline 180 mm front and 160 mm rear.
  • Suspension Travel: 120mm.


The Rockrider RACE 900S is more than just a bike; it's a flat out racing experience. It's a bike that promises performance, durability, and most importantly, an unparalleled riding experience. Whether you're a seasoned pro or a weekend warrior, the RACE 900S is sure to elevate your riding game. With rave reviews from riders (see below) who've had the privilege of shredding on this beast, it's clear that the RACE 900S is a top contender in the world of XC mountain biking. So, if you're looking to up your game and conquer the trails like never before, the Rockrider RACE 900S is the bike for you.


As an older XC racer at heart, from the moment I saw the Rockrider RACE 900S, I felt an immediate connection. This isn't just another Cross Country / Marathon bike; it's proof of Decathlon's dedication to innovation and performance in the MTB world. With a full carbon frame, 120mm of travel, and a price range that's hard to beat, this bike is a force to be reckoned with for anyone looking to cover rough ground quickly.

The full carbon frame is a marvel, extending not just to the main triangle but also the rear triangle and the shock link. The suspension design, a single indirect pivot, leverages the flex of the upper stays and Rockrider's unique link system, delivering a ride that's both smooth and efficient. The asymmetrical rear triangle design, accommodating wide tires and rims, is a nod to optimizing traction and braking.

The geometry is balanced and functional. With a 68-degree head angle and a 73-degree seat angle, the bike feels stable yet agile. The reach on the medium frame, which I tested, is 420.3 mm, paired with a 70mm stem. The rear triangle measures 446 mm, striking a balance between grip and stability.

Suspension-wise, Rockshox takes the lead with a Reba RL fork and a SidLuxe Select+ shock, both offering 120mm of travel. The remote Twist Lock system allows for on-the-fly adjustments, ensuring optimal performance on varying terrains.

The componentry is as impressive as you've probably come to expect across the Rockrider range of bikes. The top-tier model I rode came with the Sram GX Eagle AXS groupset and carbon Reynolds wheels. While some components, like the Rockshox Reba fork and Sram Level T brakes, might be considered entry-level, they performed admirably and are easily at a race level. The Hutchinson Kraken 2.30” tires, with a reinforced rear and lighter front, are a thoughtful touch that will roll fast and inspire confidence.

Weighing in at 12.2 kg for the medium size, the RACE 900S isn't the lightest race bike on the block. However, considering its competitive price point and the potential for upgrades, it's a compromise many would be willing to make.

On the trails, the RACE 900S truly shines. Its suspension system eats up obstacles, delivering a ride quality that's both smooth and responsive. I was pleasantly surprised by its climbing efficiency and the grip it offered. On the descents the bike felt stable and confident, allowing me to fly by the seat of my pants on one of my regular descents.

Summing up, the Rockrider RACE 900S is a no-nonsense, high-performance machine that offers incredible value. It's a bike that will delight and surprise you at every turn. While it might not be the lightest, with a few smart upgrades, it can easily rival the big names in the industry, and will stand you in good stead on the grid of any XC race lineup.