Garmin Tacx FLUX 2 Smart Indoor Bike Trainer
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Garmin Tacx FLUX 2 Smart Indoor Bike Trainer
Description
The Garmin Tacx FLUX 2 Smart Trainer is a direct-drive indoor cycling trainer engineered for serious riders who demand accurate data and a realistic ride feel. Redesigned from the ground up, the FLUX 2 delivers power measurements accurate to within 2.5% and can handle explosive sprints up to 2,000 watts, making it a reliable partner for structured training and competitive performance. Its heavy 16.8 lb flywheel and wide, stable footprint mean you can push hard out of the saddle without worrying about wobble or tipping.
Whether you're climbing virtual Alpine passes on Zwift or following a structured plan on TrainerRoad, the FLUX 2 simulates realistic inclines up to 16% gradient and connects seamlessly via Bluetooth Smart and ANT+ FE-C. Designed to run quiet and smooth, this trainer minimizes vibration and noise so you can train hard without disturbing everyone around you. It's compatible with a wide range of cassette standards and axle sizes right out of the box, so setup is fast and hassle-free.
Key Features
- Power Accuracy within 2.5%: Consistent, reliable power, speed, and cadence measurements you can trust for tracking training progress.
- 2,000 Watt Max Power: Handles the most explosive sprints and hard efforts without flinching - ideal for interval and sprint training.
- 16% Max Gradient Simulation: Realistic incline simulation up to 16% lets you train on terrain as demanding as any real climb.
- 16.8 lb (7.6 kg) Flywheel: Heavy flywheel delivers a natural, road-like ride feel with excellent inertia and responsiveness.
- Ultra-Quiet Direct-Drive Design: Engineered to minimize vibration and noise - one of the quietest flywheel trainers available, great for apartment or shared-space training.
- Bluetooth Smart and ANT+ FE-C Connectivity: Pairs with Zwift, TrainerRoad, Tacx Training, Garmin bike computers, and more simultaneously.
- Broad Axle Compatibility: Works with quick release (130/135 mm x 5 mm) and thru-axle (142 mm and 148 mm x 12 mm) setups right out of the box.
- Compatible Cassettes: Supports Shimano/SRAM 9-11 speed, Campagnolo, and SRAM XD/XDR body (sold separately); cassette not included.
- Stand-Alone Mode: Operates without a connected device, automatically simulating a flat road with resistance scaling to your speed.
- Tacx Training Software Included: Comes with a 1-month Tacx Premium subscription featuring 100+ real-life training videos, structured plans, GPS uploads, and live opponents.
Shipping
Ships free! Please email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.
What's Included
- Tacx FLUX 2 Smart Trainer
- Shimano/SRAM 9-11 cassette body
- Quick release for road bikes and mountain bikes (5 mm)
- Direct drive quick release with adapter set (142 x 12 mm and 148 x 12 mm)
- 1-month Tacx Premium software subscription
Why You'll Love It
The Tacx FLUX 2 Smart Trainer is trusted by cyclists at every level, from serious club riders to competitive racers looking for an edge during the off-season or bad weather months. Garmin's engineering heritage shines through in the accuracy and reliability of every data point this trainer produces - you'll always know exactly how hard you're working. The whisper-quiet operation means early morning or late-night sessions won't disturb your household, and the rugged, stable platform holds up to daily use season after season. With built-in compatibility for virtually every major training app and a wide range of bikes right out of the box, setup takes minutes and rides feel great from day one. If you're serious about your cycling fitness, the FLUX 2 is the kind of equipment that pays for itself in improved performance and motivation to keep riding all year long.
Product Specifications
| Dimensions | 26.4" x 25.3" (670 x 642 mm) |
|---|---|
| Height | 18.1" (460 mm) |
| Weight | 52 lbs (23.6 kg) |
| Power Accuracy | Less than 2.5% |
| Max Power | 2,000 Watts |
| Max Incline | 16% |
| Max Torque | 41 Nm |
| Max Brake Force | 120 N |
| Flywheel Weight | 16.8 lbs (7.6 kg) |
| Mass Inertia | 68.8 lbs (31.2 kg) |
| Magnets | 8 permanent ferrite magnets and 8 electromagnets |
| Electrical Requirement | 110-240 V |
| Wireless Communication | ANT+ and Bluetooth Smart |
| Connection Indicator | 2 LEDs (ANT+/Bluetooth) |
| Calibration | Spin down |
| Output | Speed, cadence, power |
| Suitable Cassettes | Shimano/SRAM 9-11 speed; Campagnolo; SRAM XD and XDR body (sold separately). Not suitable for Specialized SCS or Shimano 12-speed Hyperglide+. |
| Suitable Axles | Quick release 130/135 mm x 5 mm; Thru-axle 142 mm/148 mm x 12 mm |
| Cassette Included | No - cassette not included |
| Assembly Required | Minimal setup required; adapter installation and cassette mounting needed |
| Shipping Method | Ships in box; available to ship in 1-3 business days |
FAQ
Does the FLUX 2 come with a cassette?
No, a cassette is not included with the FLUX 2 Smart Trainer. The trainer does include the Shimano/SRAM 9-11 cassette body, but you will need to supply your own compatible cassette. The trainer supports Shimano/SRAM 9-11 speed, Campagnolo, and SRAM XD/XDR body (sold separately). It is not compatible with the Specialized SCS system or Shimano 12-speed Hyperglide+.
What apps does the Tacx FLUX 2 work with?
The FLUX 2 connects via Bluetooth Smart and ANT+ FE-C, making it compatible with all major indoor training apps including Zwift, TrainerRoad, and the Tacx Training app. It can connect to multiple devices simultaneously, so you can run training software on your phone or tablet while also tracking performance on a Garmin bike computer at the same time.
Is the FLUX 2 compatible with my bike's axle?
The FLUX 2 is compatible with a wide range of axle standards right out of the box. It supports traditional quick release axles (130 mm and 135 mm x 5 mm) as well as thru-axle setups (142 mm and 148 mm x 12 mm) using the included adapter set. For non-standard axle dimensions, Garmin offers an additional 135 mm Thru-Axle Adapter Set as a separate accessory.
How loud is the FLUX 2 during use?
The FLUX 2 is engineered to be one of the quietest flywheel-equipped trainers on the market. Its direct-drive design eliminates the noise created by a wheel-on trainer's tire-roller contact, and the internal components are optimized to minimize vibration. It's suitable for apartment use or situations where keeping noise to a minimum is important, though some noise is inevitable at very high effort levels.
Can I use the FLUX 2 without connecting it to an app or device?
Yes. The FLUX 2 features a stand-alone mode that works without any connected device. When in stand-alone mode, it simulates a flat road and automatically increases resistance the faster you pedal, making it useful for unstructured rides or warm-ups when you don't want to set up an app.
What is the maximum rider power the FLUX 2 can handle?
The FLUX 2 supports a maximum power output of 2,000 watts, making it capable of handling even the most explosive sprint efforts from high-performance riders. Its wide, stable footprint and well-balanced design ensure it stays secure on the ground during intense out-of-the-saddle efforts.
Thank you for trusting us with your order! This product is shipped directly from the manufacturing warehouse to get to customers all over the U.S. as soon as possible!
While many of our products are prepared and shipped out within 48 hours, some of our items are built to order or require custom pieces that could take 2-6 weeks to prepare before shipping! Please contact us at 888-884-2234 for a delivery ETA if you have a strict timeline.
Thanks!
Omaha Sports & Games Team
Returns & Refunds Policy
Return Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at service@omahasportsandgames.com.
If your return request is accepted, it will be up to you as the buyer to return the item in its original packaging, unworn and unused. You as the buyer will be responsible for paying the return shipping. We may be able to assist you in scheduling a pickup for return but the payment will still be your responsibility. You can always contact us for any return question at service@omahasportsandgames.com.
All products are subject to a minimum 15% restocking fee based on the quality of the returned product and packaging.
Items opened, tested, used, or any other non-new condition may be eligible for return based on the manufacturer's return policy.
Shipping Damages and Issues
You must inspect your order upon reception and refuse delivery if you see damage. DO NOT sign for delivery if there is apparent damage to the product. If you sign for the delivery and later claim shipping damage, there is very little we can do to help.
If your order does not require signing at delivery and is instead just dropped off at doorstep with damage, contact us immediately with photos of the damaged boxes.
If your item(s) is defective, damaged or if you receive the wrong item, contact us immediately so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, such as custom products, special orders or personalized items. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items, gift cards, or multiple product bundle discounts.
| Specification name | Specification Value |
|---|---|
| Color pattern | Black |
| Compatible bike type | Road, Mountain |