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Semi-Commercial 19kg Flywheel Spin Bike | Exercise Bike Supplier
JK Fitness designs and manufactures JKEXER Semi-Commercial Chain Drive Indoor Bike with 19 Kg Flywheel that complies with the most stringent operating requirements. Furthermore, we provide customized solutions to our clients based on their demands and assure the delivery of all consignments within the promised time-frame. Based on our long manufacturing experience in developing new products, our company possesses the capability of manufacturing a wide range of JKEXER Semi-Commercial Chain Drive Indoor Bike with 19 Kg Flywheel and is able to cater to the unique needs of our customers. Please visit any of our great locations to see the latest products from manufacturers like indoor cycling bike, exercise bike supplier, chain drive spin bike and many more!
JKexer 3929
JKEXER Semi-Commercial Chain Drive Indoor Bike with 19 Kg Flywheel
- Authentic Road-Like Pedaling Experience:
The chain drive with fixed-wheel system delivers a smooth, natural ride—perfect for fitness studios aiming to offer a realistic cycling feel that users love.
- Versatile Multi-Grip Handlebar for All Riders:
Ergonomically designed to support various riding styles, from casual warm-ups to aggressive sprints.
- Powerful 19kg Flywheel for Momentum & Stability:
Designed for consistent, fluid motion, the heavy flywheel minimizes shaking and maintenance, even under heavy daily use.
- Reinforced 3-Piece Crank for Durability:
Engineered with a solid steel crank to handle high-frequency training, ensuring longevity in busy boutique fitness spaces.
- Built to Perform in Studios & Premium Home Gyms:
This semi-commercial indoor cycling bike balances performance and durability, making it a smart choice for personal trainers and facility owners.
Description :
JKEXER 3929
Semi-Commercial Chain Drive Indoor Bike with 19 Kg Flywheel
Experience smooth, powerful rides with this Semi-Commercial Indoor Cycling Bike, featuring a chain drive, fixed-wheel system, and 19 kg flywheel. Built with a durable 3-piece steel crank, it’s ideal for studios or heavy home use.The emergency brake is positioned directly in front of the rider for quick and easy access—ensuring instant stopping when needed for safe, confident riding. The ergonomic handlebar supports multiple grip styles.
Partner with JK Fitness, 10 years of proven sales history on exercise bikes.
Partner with JK Fitness, 10 years of proven sales history on exercise bikes.
Belt Drive vs. Chain Drive Exercise Bikes: As a Seller, Which Should I Choose?
The right choice depends on who are you plan to sell to—whether it’s for home workouts or professional training in a gym setting.
The following is the comparison of Belt Drive & Chain Drive Exercise bikes:
The following is the comparison of Belt Drive & Chain Drive Exercise bikes:
| Feature | Belt Drive | Chain Drive |
| Noise Level | Quieter operation, smooth ride | Louder, traditional cycling feel |
| Maintenance Frequency | No daily maintenance needed | Requires periodic oil lubrication |
| Replacement Needs | Needs belt replacement if heavy use | Rarely needs replacement, lasts longer |
| Durability | Good for light to moderate use | Better suited for heavy and frequent use |
| Cost Over Time | Higher if used in gyms (frequent belt changes) | Lower long-term cost in high-traffic settings |
| Best Fit | Home users, beginners, casual riders | Professional cyclists, gyms, intense training |
Belt drive bikes are quiet and ideal for households or beginners.
However, in gyms where bikes are used intensively every day, chain drive bikes, on the other hand, are more wear-resistant and deliver a road-like cycling feel.
If you are looking for a bike for professional training or heavy use in a gym, JKexer 3929 Semi-Commercial Chain Drive Indoor Bike would be something you can consider.
However, in gyms where bikes are used intensively every day, chain drive bikes, on the other hand, are more wear-resistant and deliver a road-like cycling feel.
If you are looking for a bike for professional training or heavy use in a gym, JKexer 3929 Semi-Commercial Chain Drive Indoor Bike would be something you can consider.
Key Factor in Sourcing Commercial & Semi-Commercial Exercise Bikes
Reliable Quality Matters:
Many gym owners struggle with repair issues caused by unstable components and rust or corrosion from sweat exposure in humid environments.
The JKEXER Semi-Commercial Chain Drive Indoor Bike with a 19 kg flywheel solves these challenges. Equipped with a sweat fender and backed by nearly a decade of proven international sales, it has delivered consistent performance with zero major quality complaints reported.
Many gym owners struggle with repair issues caused by unstable components and rust or corrosion from sweat exposure in humid environments.
The JKEXER Semi-Commercial Chain Drive Indoor Bike with a 19 kg flywheel solves these challenges. Equipped with a sweat fender and backed by nearly a decade of proven international sales, it has delivered consistent performance with zero major quality complaints reported.
19kg Flywheel Chain Drive Exercise Bike Features：
Specification :
| Model No. | JKexer 3929 |
|---|---|
| Application | Semi-Commercial |
| Color | Black |
| Category | Racing Bike |
| Flywheel | 19 kg Cast-Iron |
| Resistance | Felt Friction; Stepless adjustment |
| Console Size | 4.7" LCD (58.5 x 104 mm) |
| Console function | Scan, Time, Distance, Calories, Heart Rate |
| Bluetooth Connection | APPs (FTMS) / Heart Rate |
| Tablet Holder | Yes |
| Crank | 3-pcs Crank |
| Drive | Chain Drive |
| Axle | 20 mm |
| Pedal | Aluminum Alloy;Toe Cage |
| Transport wheels | Yes |
| Seat & Handlebar Adjustment | Vertical / Horizontal |
| Assembly size | 1350(L) x 540(W) x 1250(H) mm |
| Max User Weight | 150 kg (330 lb) |
| Packing Dimension | 1127 (L) x 248 (W) x 920 (H) mm |
| M'ST/N.W./G.W. | 9.07 cuft. / 56 / 60 kg |
| 20'/40' FCL | 114 / 236 pcs |
More Information :
Your Choice - JK Fitness
With nearly 50 years of experience, we are a trusted Taiwan-based fitness equipment supplier, specializing in products like treadmills and indoor cycling bikes. As an active TSMA member and TaiSPO exhibitor, we’re proud to supply leading global partners—including long-term collaboration with Movement, a top fitness equipment distributor in Brazil.
Our chain drive spin bike is your best choice to partner with a proven exercise bike supplier JK Fitness—⏬Scroll Down to Submt a Inquiry!!⏬
Our chain drive spin bike is your best choice to partner with a proven exercise bike supplier JK Fitness—⏬Scroll Down to Submt a Inquiry!!⏬
FAQ :
A: For semi-commercial and studio environments, chain drive spin bikes provide a more authentic road-like pedaling feel, which many cycling enthusiasts and instructors prefer. Our model features a durable chain drive system paired with a 19kg flywheel, ensuring consistent resistance and minimal slippage during intense workouts. It's built for long-term use with minimal maintenance—perfect for gyms and personal training studios seeking a rugged, reliable indoor cycling solution. A: A 19 kg flywheel ensures smoother motion, better momentum, and a more stable ride—critical for maintaining performance and safety in high-frequency usage. Our semi-commercial indoor cycling bike uses a 450mm diameter die-cast flywheel, engineered for balanced resistance and fluid movement, helping B2B buyers minimize customer complaints and extend product lifespan. A: Yes. This model is designed for humid regions and high-sweat conditions, commonly found in tropical gyms or high-traffic studios. A protective sweat fender shields the flywheel and structural components, helping prevent rust and corrosion. With nearly 10 years of proven sales history and no major quality complaints, this bike is a reliable option for distributors and importers looking for long-lasting, low-maintenance equipment in challenging environments.
Q: Is a chain drive spin bike better for commercial use compared to a belt drive system?
Q: Why choose a 19 kg flywheel spin bike for gym equipment sourcing?
Q: Can this spin bike handle humid environments and tropical climates?
JK Fitness recognizes our customers have different needs, and we want to help you find the perfect JKEXER Semi-Commercial Chain Drive Indoor Bike with 19 Kg Flywheel from our wide selection of styles and designs. Our company is one of the main producers of JKEXER Semi-Commercial Chain Drive Indoor Bike with 19 Kg Flywheel in sporting & leisure goods and is highly regarded for quality products. We achieve our goals through dedicated associates performing the highest quality workmanship, which in turn allows us to supply our customers with the best products and services. Please feel free to contact us if you have any inquiries or problems.