The Reebok GSB Indoor Bike is a top-tier choice for serious indoor cyclists and fitness enthusiasts looking for high-performance spin training at home. Whether you’re training for endurance, burning fat, or chasing personal bests, the GSB delivers everything you’d expect from a commercial-grade studio bike—without the need for mains power.
Thanks to its self-generating technology, the GSB powers itself as you pedal, allowing you to train anywhere, anytime, with zero plug-in required.
⚙️ Built for Real Performance: 18kg Flywheel + 32 Resistance Levels
With a massive 18 kg flywheel, the Reebok GSB offers incredible momentum and a smooth, realistic ride feel. Paired with 32 levels of electronically controlled resistance, this bike lets you:
Simulate flat roads, hills, or climbs
Push through intense sprints or enjoy low-intensity recovery rides
Continuously progress, whatever your fitness level
🧠 19 Built-In Programmes to Keep You Motivated
The integrated LCD console features:
19 training programmes, including interval, hill, fat burn, and heart rate control
Real-time tracking of speed, time, distance, calories, and RPM
A clear, user-friendly interface so you can train with focus and precision
From beginners to elite cyclists, the GSB keeps every ride engaging and challenging.
🔋 No Plug? No Problem – Self-Generating Power
Forget about wires, sockets, or extensions—the Reebok GSB is completely self-powered. Your pedalling motion generates the electricity needed to:
Power the LCD console
Control resistance levels
Run your workout programmes
This makes it ideal for garage gyms, conservatories, spare rooms, or anywhere with no outlet nearby.
🧍♂️ Adjustable for All Riders
Fully adjustable saddle (horizontal and vertical)
Adjustable handlebars for different grip positions
Durable toe cage pedals with secure straps
Stable frame with transport wheels for easy relocation
The ergonomic design ensures a natural, comfortable riding position, reducing strain on your knees and back.
🛡️ Peace of Mind with a 2-Year Warranty
Reebok includes a 2-year warranty covering the:
Frame
Computer console
Braking system
Plastic parts
Labour
So you can ride with confidence and peace of mind.
✅ Pros and Cons
Pros:
Self-generating power – no mains needed
Heavy 18 kg flywheel for a smooth ride
32 resistance levels for all training styles
19 built-in workout programmes
LCD console with real-time tracking
Compact, stylish, and gym-ready design
2-year full coverage warranty
Quiet operation for shared spaces
Cons:
No app or Bluetooth connectivity
No touchscreen display
No live classes or media integration
🏋️♀️ What the Product is Used For
The Reebok GSB Indoor Bike is ideal for:
Spin-style cardio workouts
Weight loss and fat burning
High-intensity interval training (HIIT)
Improving endurance and stamina
Off-season cycling training at home
Silent workouts in shared homes
💬 Why We Like This Product
We love the Reebok GSB because it’s engineered for performance without needing to be plugged in. With a robust flywheel, electronic resistance, and pre-set programmes, it delivers gym-level spin workouts in your home—without the clutter or cords. It’s ideal for riders who value function, power, and freedom of placement.
🔄 Alternatives Worth Considering
JTX Cyclo-6 – Similar flywheel weight, manual resistance, no built-in programmes
NordicTrack GX 4.6 Pro – Offers iFIT integration, but requires power and subscription
Echelon Connect EX-3 – App-based spin bike with live classes, but lighter flywheel
🛒 Buyer’s Guide: Choosing a Performance Spin Bike in 2025
🔍 What to Look For:
Flywheel Weight – Heavier flywheels (like GSB’s 18 kg) offer smoother motion
Resistance Levels – More levels = more training flexibility
Built-in Programmes – Ideal for those who want structure without subscriptions
Self-Generating Power – Perfect if you want to avoid cables and plugs
Adjustability – Must fit various body types and riding styles
Durability – Look for steel frames and solid warranties
👤 Best For:
Advanced home users wanting spin studio quality at home
Riders without access to power outlets
People who don’t want app subscriptions or connected services
Those focused on performance, endurance, and structure
🛠️ Tips on How to Use Correctly
Adjust seat height so your leg is slightly bent at full extension
Set handlebars to align with your seat height or slightly above
Start with beginner-level resistance, then progress
Use the preset programmes to guide structured workouts
Wipe the console and handlebars after each session
Maintain pedal straps for a secure, slip-free workout
Place on a rubber floor mat to protect flooring and enhance stability
Hydrate before and during your ride
Combine with stretching routines for injury prevention
Use the transport wheels to move it after use without effort
📊 Comparison: Reebok GSB vs Other Indoor Bikes
| Feature | Reebok GSB | JTX Cyclo-6 | NordicTrack GX 4.6 Pro |
|---|---|---|---|
| Flywheel Weight | 18 kg | 22 kg | ~9 kg |
| Resistance Type | Electronic (32) | Manual | Digital (24) |
| Self-Generating | Yes | No | No |
| Built-in Programmes | 19 | None | iFIT required |
| Screen Type | LCD | Basic monitor | 5” Display |
| Power Required | No | Yes | Yes |
| App/Internet Integration | No | No | Yes |
| Max User Weight | 120 kg (est.) | 135 kg | 147 kg |
❓ Top 10 FAQs
1. Does the Reebok GSB need to be plugged in?
No! It uses self-generating power, so it runs entirely on the energy you produce while pedalling.
2. What’s the flywheel weight?
The GSB has a heavy 18 kg flywheel for smooth, consistent resistance.
3. Is this bike quiet?
Yes. It’s designed for quiet operation, suitable for early mornings or shared households.
4. Can I use it with cycling apps like Zwift or iFIT?
No. It is a non-connected bike with built-in programmes but no app support.
5. What workouts are included?
You get 19 programmes, including intervals, hills, fat burn, and heart rate training.
6. Does it have Bluetooth or Wi-Fi?
No, this is a self-contained bike focused on performance without tech integrations.
7. How much weight can it support?
While not explicitly listed, Reebok bikes typically support up to 120 kg safely.
8. Can I ride standing up?
Yes, the GSB is designed for high-intensity spin-style workouts, including out-of-saddle riding.
9. Does the screen require batteries?
No—you power the screen by pedalling, thanks to the self-generating design.
10. Is assembly required?
Yes, but it comes with clear instructions, and most users assemble it within 45–60 minutes.
