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Garmin Tacx Flux S Smart and Silent Bike Trainer
The FLUX S Smart checks all the boxes when you are looking for a Smart direct drive trainer. Reliable, accurate, silent, strong with a good ride feel.
Free shipping over $49
Final Sale: No returns or exchanges
Free returns
Free pickup
San Francisco, 735 Market St. Options
Select an available color and size to see options.
Product Videos
Product Features

Precision
Measures your power accurately within 3,0%
Quiet
The most silent flywheel equipped bike trainer available.
Connectivity
Connect to popular training apps, like Zwift & Tacx.
Power
Realistically simulate inclines up to a 10% gradient. 1500W
Weight
A large 7,0 kg flywheel ensures the best ride feel.
Questions & Answers
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Product Customer Reviews

Sync’d with ROUVY instantly. Happy training!
Very good machine. Easy to setup. Dependable. Low noise. Excellent cost to performance.
Additional Product Information
Smart trainer
The Flux S smart trainer pairs seamlessly with most popular training apps and software to create the ultimate indoor training environment. Easily connect to cycling apps like Zwift, Tacx, TrainerRoad and Sufferfest.
Accurate and reliable
A reliable, accurent and consistent power measurement is key to keep track of your performance and progress. This is exactly what Flux S Smart is designed for, it measures your power accuretely within 3%.
Smooth ride feel
A smooth ride feel and swift responsiveness are key to replicate the experience of your indoor rides. With its large flywheel , the FLUX S ensures the same sensation of riding the road.
Extremely silent
The Flux S Smart is designed to bring vibrations and noise levels to the absolute minimum. This resulted in a very silent flywheel equipped trainer.
Stand alone
The smart electronics of this bike trainer allow you to train stand alone, without any software. It follows a progressive power curve, the resistance will increase progressively when you ride faster. Precisely replicating riding on a flat road.
Connection indicators
Intuitive LED lights provide a visual confirmation when the trainer is powered and connected to a device over ANT+ or bluetooth.
Stable frame
Designed to withstand the most intense training sessions, this bike trainer is built to last. A large footprint ensures maximum stability and durable material give the quality you would expect.
Your favorite apps
Train with your favorite cycling software like Zwift, TrainerRoad and Sufferfest. It is easily connected and controlled by most popular training apps. Race online in the virtual worlds of Zwift, achieve your cycling goals with the training plans of TrainerRoad, or anything else.
Features
Type of trainerInteractive Smart direct drive with electric brakeMagnets8 Permanent ferrite magnets & 8 electromagnetsTransmissionNoneElectrical requirements110-240 VoltPower indicatorNoneConnection indicator (ANT/BT)2 LEDsFirmware upgradableYesSuitable cassettesNot suitable for Specialized SCS system , Shimano & SRAM: 8 - 11 speed. Campagnolo, SRAM XD and XD-R body sold separatelySuitable axlesWidth of rear fork: Race 130 mm, MTB 135 mm. Adapters for other widths availableSuit
Origin
Imported
Superior quality. Unbeatable prices.
For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.
Decathlon makes the difference
-
Research and development
delivers high-quality cost-effective products
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State-of-the-art production processes
minimize manufacturing costs
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Optimized supply chain
reduces retail prices
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Minimal retail footprint
lowers overhead and indirect costs

Garmin Tacx Flux S Smart and Silent Bike Trainer
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Heavy products return policy
If you return a product you will receive a refund for the purchase price plus any applicable sales taxes, less any non-refundable charges.
Decathlon will cover all shipping costs associated with your return except for items excluded from our return policy such as bikes, basketball hoops, snowboards, surfboards, tents, and other larger / heavier items.
Return costs for heavy products:
Weight Thresholds | Shipping within California | Shipping outside of California |
---|---|---|
> 9 lbs | $20.00 | $25.00 |
> 30 lbs | $50.00 | $65.00 |
> 100 lbs | $100.00 | $125.00 |
> 200 lbs | $200.00 | $230.00 |
If you return a product at any of our store locations, we will gladly help you find the best alternative product or refund you on the spot.
