Saris H3 Direct Drive Smart Trainer

Choose a shipping method
To buy, sign in as an REI Co-op Member or join now.
Members get an estimated $80.00 back on this item.
Join the co-op today to get access to a lifetime of benefits.

Members, get an estimated $80.00 back on this item as a part of your annual .

Five times quieter than previous generations, the Saris H3 direct drive smart trainer features meticulously calibrated components to measure power, speed and cadence for consistent, accurate workouts.

  • Features

    • Noise level of 59 decibels at 20 mph is quieter than any past Saris smart trainer
    • With +/- 2% power accuracy, you can train with confidence in your data
    • Robust design is capable of handling up to 2,000 watts at 20 mph and can simulate up to a 20% climbing grade
    • Internal cooling system keeps the electromagnetic resistance system working and accurate in the face of heavy training
    • Transmits power, speed and cadence data without the need for external sensors via integrated dual ANT+ FE-C and Bluetooth FTMS standards
    • Compatible with a wide variety of devices and indoor cycling applications, including Rouvy, Zwift, TrainerRoad and many more
    • This Zwift Certified product is compatible with the Zwift online platform so you can track, train and compete in a virtual environment
    • Headless mode (powered on, not paired to any apps) lets you ride with a progressive resistance curve that matches the Saris Fluid2
    • LED indicator lights communicate connectivity
    • OTA firmware updates and calibration via the Saris app
    • Direct drive design connects the bicycle's drivetrain to the resistance unit, eliminating tire wear
    • Compatible with 8–11 speed Shimano cassettes (not included)
    • Works with 130 and 135mm quick-release wheels, as well as 142 and 148mm thru axles
    • Folding legs provide a super wide footprint for added stability and easy storage
    • Built-in front wheel block and integrated carrying handle

    Made in USA.

    View all Saris Bike Resistance Trainers
  • Technical Specs

    Best Use

    Indoor Cycling

    Resistance Type



    Open: 31 x 19.5 x 18.5 in.; closed: 19.5 x 18.5 x 8.5 inches



    Software Controlled



    47 pounds

  • Reviews
    192 reviews with an average rating of 4.7 out of 5 stars

    Loading Reviews...
  • Questions & Answers

    Loading Questions...