$0.00
Color: Team Red
Model Year: 2015
If you’re in the market for a high-performance cross-country mountain bike that blends race-ready efficiency with trail-taming capability, the Fourstroke FS01 29 FRS deserves a close look. This Swiss-engineered marvel from BMC has been turning heads since its release, offering riders a lightweight yet robust platform for everything from endurance races to technical singletrack adventures. In this comprehensive guide, we’ll dive deep into what makes the Fourstroke FS01 29 FRS stand out, covering its features, specs, real-world performance, and more. Whether you’re a seasoned racer or a weekend warrior, this bike could be the perfect addition to your quiver.
BMC, a brand synonymous with precision engineering and innovation, introduced the Fourstroke series as their flagship cross-country full-suspension bikes. The Fourstroke FS01 29 FRS, part of the 2013 lineup, marked a significant evolution by embracing 29-inch wheels for enhanced rollover and stability. Drawing from BMC’s racing heritage—think World Cup victories and pro-level endorsements—this model was designed to dominate endurance events like the Trans-Sylvania Epic while remaining versatile enough for everyday rides. Unlike pure race machines that sacrifice fun for speed, the Fourstroke FS01 29 FRS bridges the gap, making it appealing to a broad range of mountain bikers.
The “FS” in FS01 stands for Full Suspension, and the “29” refers to the wheel size, which was a bold move at the time as 29ers were gaining traction in the XC scene. The FRS designation highlights its full-race suspension setup, optimized for efficiency without compromising on control. Priced around $6,500 to $8,499 depending on the market, it’s a premium investment, but one that pays off in durability and performance.
What truly elevates the Fourstroke FS01 29 FRS is its thoughtful design elements. Starting with the frame: It’s crafted from high-modulus carbon fiber, weighing in at just 2,040g to 2,070g including hardware and the rear shock. This lightness doesn’t come at the expense of stiffness—BMC’s engineers used proprietary tube shapes to ensure power transfer is direct and efficient. The oversized down tube houses external cable routing, keeping maintenance straightforward while protecting lines from trail debris.
Suspension is handled by BMC’s Advanced Pivot System (APS), a short-link design that provides 100mm of travel both front and rear. This setup is tuned for a firm, progressive feel, ramping up towards the end of the stroke to prevent bottom-outs on big hits. The rear shock, a Fox Float CTD, offers three modes—Climb, Trail, and Descend—for on-the-fly adjustments. In Climb mode, it locks out efficiently for fire road grinds; Trail mode balances pedaling with small-bump compliance; and Descend opens things up for plush control on rough terrain. Paired with a Fox 32 Float CTD fork, the system feels cohesive, muting rider inputs while keeping the wheels glued to the ground.
Geometry plays a starring role here. With a 70-degree head tube angle, 73.5-degree seat tube angle, and 445mm chainstays, the Fourstroke FS01 29 FRS strikes a “Goldilocks” balance—not too slack for racing, not too steep for trails. The low bottom bracket drop (40mm) enhances stability, while the long wheelbase keeps things planted on climbs and descents. Available in three sizes (small, medium, large), it fits riders from about 5’4″ to 6’2″, though taller folks might wish for an XL option.
Other standout features include an integrated chain guide mount, routing for a dropper post (like the RockShox Reverb Stealth), and a replaceable post-mount brake boss. The bike comes stock with a triple crankset, which might seem old-school in today’s 1x world, but it excels on long, steep ascents where granny gears shine. Brakes are Shimano XTR discs with 180mm rotors front and rear, providing modulation and power for all-day confidence.
To give you a clear picture, here’s a breakdown of the key specs based on the 2013 model:
These components are race-proven, with the Easton wheels offering a stiff, lightweight platform that rolls fast over roots and rocks. The tubeless setup reduces weight and puncture risk, ideal for multi-day events.
Riders consistently praise the Fourstroke FS01 29 FRS for its pedaling efficiency. Thanks to the APS linkage mounted above the bottom bracket, there’s minimal bob even in Descend mode, making it one of the best-tracking XC bikes. During the Trans-Sylvania Epic, testers noted how it encouraged pedaling through choppy sections, with the big 29er wheels smoothing out rough terrain. On long climbs, the Climb mode turns it into a near-hardtail, conserving energy for hours in the saddle. The low front end and steep seat angle position you perfectly for power output, helping you conquer steep gradients without wheel lift.
Descending is where the Fourstroke FS01 29 FRS surprises many. Its geometry inspires confidence, allowing you to rally through corners and manual over whoops. The firm suspension tune handles alpine descents and rock gardens with composure, blurring the line between XC racer and trail bike. Testers from BikeMag reported it as “eager to rally,” with neutral handling that feels intuitive—no twitchiness, just predictable control. Even in stock form, it tackles technical trails better than expected, though swapping to a 120mm fork (as in the Trail Crew variant) amps up the fun factor.
Overall, the bike’s versatility shines in mixed terrain. It’s not just for podium chasers; it’s for anyone who wants a lightweight rig that pedals like a dream but doesn’t shy away from gnar. Minor quirks include slight brake jack on gravel descents and the triple crank’s complexity, but these are easily overlooked.
Like any bike, the Fourstroke FS01 29 FRS has its strengths and weaknesses. Here’s a balanced view:
If you’re focused on cross-country racing or long-distance adventures, the pros far outweigh the cons. For more trail-oriented riding, consider the updated Fourstroke models or aftermarket tweaks.
To keep your Fourstroke FS01 29 FRS performing at its best, regular maintenance is key. Check suspension pivots quarterly, as the APS system thrives on clean, lubed bearings. Converting to tubeless tires is a must for weight savings and flat prevention—Continental’s Race King/X-King combo is a great starting point, but Maxxis Rekon or Schwalbe Racing Ralph work well too.
Popular upgrades include switching to a 1×11 or 1×12 drivetrain for simplicity, adding a dropper post for descents, and wider bars (720mm+) for better control. If you’re racing, carbon wheels like ENVE or Zipp can shave grams. Always torque bolts to spec—BMC’s carbon frame demands care to avoid cracks.
Even years after its release, the Fourstroke FS01 29 FRS remains relevant in a market flooded with dropper-equipped, slack-geometry XC bikes. Its timeless design emphasizes efficiency and fun, proving that a well-engineered 100mm 29er can handle modern trails. With used models available on platforms like eBay for under $3,500, it’s an accessible entry into premium mountain biking.
In comparison to newer BMC Fourstroke 01 models, the FS01 29 FRS lacks integrated storage or radical geo updates, but it excels in simplicity and raw speed. If you’re upgrading from a hardtail, this bike will transform your rides; if you’re coming from an enduro rig, it’ll remind you how thrilling lightweight efficiency can be.
In summary, the Fourstroke FS01 29 FRS is a masterpiece of XC engineering—light, capable, and endlessly enjoyable. Whether blasting fire roads, tackling rock gardens, or chasing KOMs, it delivers without compromise. If your riding style leans toward endurance and speed with a dash of adventure, this bike won’t disappoint. Head to your local dealer for a test ride, or scour online for deals. Happy trails!
Only logged in customers who have purchased this product may leave a review.
Reviews
There are no reviews yet.