Saris Fluid 2 Indoor Trainer

Saris Fluid² Indoor Trainer with Speed Sensor

Smooth. Quiet. Connected.

Get ready to power through your indoor training goals with the Saris Fluid², the #1 best-selling bike trainer in the USA—now smarter than ever. This budget-friendly setup comes with a magnetless speed sensor, making it easy to connect to popular indoor cycling apps like Zwift and Rouvy, so you can train smarter, ride longer, and stay motivated all year round.

Designed for cyclists who want a realistic road feel, the Fluid² features a progressive fluid resistance unit that responds naturally to your pedalling effort. The harder you ride, the tougher it gets—just like on the road. With a quiet 69dB operation at 20 mph, you’ll enjoy a smooth, consistent workout without disturbing the household.

Key Features:

• Progressive fluid resistance – ultra-quiet and smooth with a road-like ride feel
• Included magnetless speed sensor – connect to Zwift, Rouvy, and other virtual training platforms via Bluetooth or ANT+
• Clutch knob – clicks when roller-to-tyre tension is just right, no guesswork required
• Sturdy, foldable frame with easy bolt-action lever for secure bike mounting
• Self-cooling system for long-lasting performance
• Leveling block included to keep your bike stable and level during rides
• Supports riders and bikes up to 300 lb

What’s in the Box:

• Saris Fluid² Trainer
• Dual-band (Bluetooth & ANT+) speed sensor
• Leveling block
• Steel quick release skewer

Technical Specifications:

• Noise Level: 69 dB at 20 mph
• Resistance Type: Fluid
• Resistance Curve: Progressive
• Max Weight: 300 lb (rider + bike)
• Roller: Precision-machined 2" alloy roller reduces tyre wear
• Connectivity: Compatible with cycling apps via speed sensor (ANT+ USB and BlueGiga dongles sold separately)
• Flywheel: Precision-balanced for a more natural ride feel

Bike Compatibility:

• Wheel-On Design – no need to remove wheels
• Quick release compatible: 120mm, 130mm, 135mm
• Compatible Wheel Sizes:
  • 650b, 700c, 27.5" (up to 2.0")
  • 29" (up to 1.5", treadless only)
• Not compatible with:
  • 26", 650c, or 29" tyres with tread or wider than 1.5"
• Thru Axle Compatibility: Adapter sold separately for 142x12mm and 148x12mm bikes
• Trainer tyre recommended (not included)

Formerly branded as the CycleOps Fluid² Smart Trainer, this versatile indoor trainer delivers high performance without the high price tag—perfect for riders who want more out of their winter miles or rainy-day workouts.