Stages SC Series Spin Bikes Review: SC1, SC2 & SC3 Compared

When it comes to indoor cycling, Stages has long been recognized as a leader in performance, precision, and innovation. Known primarily for their power meters and professional cycling components, Stages expanded into indoor cycling with the SC (Stages Cycling) series—offering spin bikes that combine studio-grade durability with cutting-edge design.

In recent years, however, the company faced financial hurdles and ultimately filed for bankruptcy. But in a move that promises stability and renewed innovation, Stages was acquired by Giant Group, one of the largest bicycle manufacturers in the world. The acquisition brings renewed confidence to the brand’s future and offers peace of mind to those considering an investment in their bikes.

When I started looking for a Stages spin bike, I knew right away that I didn’t want to pay full retail. With the SC3 typically priced north of $3,000 new, it just didn’t make sense for a home gym setup. Instead, I turned to Facebook Marketplace and, after a bit of searching, I found a Stages SC3 listed for just $300. The seller had barely used it, and it looked to be in almost new condition—no rust, no worn parts, and the power console still fully functional. It was easily one of the best deals I’ve come across in the fitness space, and a testament to how much value you can get by shopping secondhand.

Getting a commercial-grade spin bike for around one-tenth the retail price is an absolute steal—especially when you’re talking about something as well-engineered as a Stages SC3. If you’re lucky enough to find one in your area, you’re essentially getting a top-tier piece of fitness equipment for the cost of a few months at a boutique studio. These bikes were specifically designed for high-traffic, high-intensity environments—used for multiple classes a day, seven days a week—so when one lands in a home gym setting, it’s like putting a racehorse out to pasture. The build quality is so robust, and the components so durable, that with basic maintenance, it’s not unrealistic to expect the bike to last decades. For anyone serious about indoor cycling, power-based training, or just wanting a silent, low-maintenance cardio machine at home, picking up a used Stages SC model at a deep discount is one of the smartest long-term investments you can make.

One of the more well-known sources of used Stages bikes around Dallas was a boutique spin studio called The Ride House. They were a high-end indoor cycling studio that featured rows of top-of-the-line SC3 bikes and had built a loyal following in the local fitness community. Unfortunately, like many boutique fitness businesses, they were hit hard by the COVID-19 shutdowns. Despite what seemed like a genuine passion to succeed and a strong community vibe, the financial strain of prolonged closures and reduced class sizes made it impossible for them to continue. When they were forced to close, they sold off their inventory—including dozens of nearly new SC3 bikes—which quickly made their way onto resale sites like Facebook Marketplace. It’s a real shame, because The Ride House had all the makings of a long-term success story if not for the timing and economic fallout of the pandemic.

Where to Buy: New vs. Used Options

If you’re considering investing in a Stages SC bike, you’ll find them available through authorized dealers, fitness equipment resellers, and occasionally on sites like Amazon. However, the premium build quality and reputation come with a premium price tag—especially for the SC3, which retails for over $3,000 new.

Buying Used: Facebook Marketplace & More

The good news? You can often find lightly used or refurbished Stages SC bikes for a fraction of the retail cost, especially on secondhand platforms like Facebook Marketplace, Craigslist, OfferUp, or local gym liquidators.

Many boutique fitness studios that shut down or upgraded their fleets during or after the COVID-19 pandemic flooded the market with commercial-grade bikes. As a result, savvy buyers have been able to pick up an SC3 for under $500—sometimes even less if purchased in bulk or from a gym closing sale.

What to Watch For When Buying Used

If you’re considering a used purchase, here are a few tips:

• Ask about mileage or studio hours: While these bikes are built like tanks, it helps to know how heavily they were used.
• Inspect the power meter and display (SC3): Make sure the console powers on and the wattage readings seem reasonable. Replacement parts can be expensive.
• Check for rust or frame damage: Cosmetic wear is expected, but structural damage is a red flag.
• Test the FitLoc and SprintShift levers (if applicable): These should move smoothly and lock securely.
• Ride it if possible: A test ride will reveal issues with resistance, belt tension, or crank noise.

For buyers on a budget, purchasing a used Stages SC bike—especially the SC3—is one of the best ways to get elite-tier performance at a home-gym price.

This review covers the three models in the Stages SC series—SC1, SC2, and SC3—along with key features such as magnetic resistance, CarbonGlyde drive system, SprintShift, FitLoc height adjustment, and their display options.

Quick Overview: SC1 vs SC2 vs SC1

Build Quality & Design

One of the first things you’ll notice across the SC series is the commitment to studio-level durability. All three bikes feature oversized frames with solid bases to minimize sway, even under intense sprinting. The SC1 uses a heavy-duty steel frame, while the SC2 and SC3 use aluminum frames for a lighter yet still robust construction. This upgrade not only reduces weight but also improves corrosion resistance—an important factor for commercial gyms or high-humidity environments.

Resistance System: Magnetic & Maintenance-Free

All SC bikes use a magnetic resistance system, a modern upgrade from traditional friction pads. Magnetic resistance is virtually silent and does not wear out over time, making it ideal for both home users and studio classes where minimal maintenance is a big plus.

The resistance is smooth and consistent across all models. Whether you’re doing high-cadence recovery or grinding through simulated climbs, the magnets provide an even feel without the abrupt jumps that some lower-end bikes exhibit.

CarbonGlyde Belt Drive: Smooth, Quiet, and Durable

Stages ditched the traditional chain and even the conventional belt drive in favor of their proprietary CarbonGlyde system, which uses a Gates® Carbon Drive™ belt. This advanced technology offers the feel of a road bike but without the noise or the upkeep of a chain. It’s especially noticeable during standing sprints or seated climbs—no clunky transitions or uneven resistance, just a seamless ride.

CarbonGlyde also enhances longevity. You won’t need to oil, tighten, or replace this belt nearly as often as you would with older systems. This is one of the big selling points, particularly for gyms where 24/7 uptime matters.

FitLoc Adjustments: Quick, Tool-Free Customization

The FitLoc system (included on the SC2 and SC3) allows users to adjust saddle height and handlebar height with a simple twist-and-lock mechanism. Traditional twist knobs are replaced with a quick lever design that locks into place securely and easily.

This small detail makes a huge difference, especially in high-traffic environments like spin studios, where multiple riders use the same bike daily. Adjusting fit takes seconds, and the feel is rock-solid.

SprintShift: Instantly Adjust Resistance

Another standout feature—found on the SC2 and SC3—is the SprintShift resistance control. Instead of continuously turning a dial to change resistance, SprintShift gives you a three-position lever. This allows for quick jumps between resistance levels—ideal for HIIT training or interval classes where riders need to shift gears without breaking cadence.

You can still fine-tune the resistance with the dial, but the lever acts like a “quick shift” for broader resistance changes, a feature that sets Stages apart from most other indoor bikes.

Display Options: EcoSCRN & Stages Power Console

Stages offers two display options across its lineup:

1. EcoSCRN Console

This console is an optional add-on for SC1 and SC2 models. It uses no batteries or external power, instead generating power from the rider’s pedaling. It shows basic metrics like cadence, speed, time, distance, and calories. It’s a great option for those who want data but don’t need advanced performance tracking.

2. Stages Power Console (SIC2)

Included with the SC3, this console is a serious training tool. It pairs with the integrated Stages Power Meter to give accurate power data (in watts), RPM, heart rate (via Bluetooth/ANT+), distance, and more.

For competitive cyclists or data-driven workouts, this is a major upgrade. It also stores ride data and supports data export, allowing riders to upload sessions to platforms like TrainingPeaks or Strava.

Power Meter Integration (SC3)

The SC3 is the only model in the lineup that comes standard with a Stages Power Meter, the same technology used by professional cyclists around the world. This feature turns the bike from a general fitness tool into a serious training machine.

The accuracy is within ±2.5%, making it suitable for power-based training protocols. You can train by FTP (Functional Threshold Power), track performance trends, or use it for indoor race preparation. For anyone serious about cycling performance, this is a must-have.

Real-World Riding Feel

Thanks to a combination of magnetic resistance, CarbonGlyde belt, and a heavyweight flywheel, the ride feel on all SC bikes is exceptionally smooth. There’s enough inertia to simulate outdoor cycling but without the lag or jerky transitions that come with cheaper indoor bikes.

Handlebars are ergonomically designed with multiple grip positions, including drops, horns, and aero bars, accommodating everything from upright warmups to aggressive sprinting. Pedals are dual-sided: SPD clip-in on one side and flat on the other, giving flexibility for both cycling shoes and regular sneakers.

Stages Bankruptcy & Giant’s Acquisition

It’s worth noting that Stages Cycling filed for bankruptcy protection in 2023, which caused some understandable concern about product support and long-term viability.

However, in 2024, Giant Group—one of the world’s largest bicycle companies—acquired Stages, bringing financial stability, expanded manufacturing capabilities, and long-term investment. This acquisition has reassured many gym owners and consumers who were hesitant about investing in a product line that could be discontinued.

Now backed by Giant’s global infrastructure, support and future product development appear to be on much firmer ground.

Who Should Buy Each Model?

• SC1 – Best for budget-conscious users or low-traffic environments (like a home gym). It has the same core magnetic resistance and CarbonGlyde system but lacks SprintShift and FitLoc.
• SC2 – Ideal for boutique studios or riders who want fast adjustability and SprintShift for performance classes. It balances cost with premium features.
• SC3 – The top-tier model designed for data-driven athletes, elite studios, or training facilities. It’s the only model with the integrated power meter and Stages Power Console.

Final Thoughts: Stages Still Leads the Pack

Despite the financial setbacks that hit Stages Cycling in recent years, the SC series remains one of the top indoor cycling bike lines available today. With magnetic resistance, near-zero maintenance, excellent adjustability, and unmatched ride quality, these bikes offer a superior riding experience whether you’re training for a race or just getting your cardio in before work.

Now under the wing of Giant Group, the SC1, SC2, and SC3 are more future-proof than ever. Whether you’re outfitting a commercial studio or looking for a high-end home bike, the Stages SC series is a smart, reliable, and performance-driven choice.