CycleOps The Hammer Bike Trainer

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The Hammer direct-drive, electromagnetic-resistance bike trainer by CycleOps is the perfect addition to any cyclist's training.

  • Features

    • USA-made, direct-drive bike trainer eliminates tire-to-roller contact, and is capable of replicating any outdoor ride, from spinning to rolling hills to 20%-grade Tour climbs
    • All of this is done with a smooth, roadlike feel thanks to a massive 20 lb. precision-balanced flywheel that replicates real world inertia
    • The flywheel is paired with the innovative, rapid-response CycleOps electromagnetic resistance system to create nothing louder than 64 decibels
    • Noise level at 20 MPH is 64 decibels, which is quiet enough to ride in a library
    • Fast response electromagnetic resistance ensures the most responsive resistance and maximum power available
    • Add a cassette, pop off your rear wheel, connect to your favorite virtual training software and prepare to Hammer away (cassette and software not included)
    • Integrated dual ANT+ FE-C and Bluetooth 4.0 technologies
    • Axle compatibility gives you the freedom to choose any thru-axle or quick-release bike now and for years to come
    • Thru-axle compatible for bike frames with fork widths of 142mm or 148mm
    • Quick-release compatible for bike frames with fork widths of 130mm or 135mm
    • Robust design is capable of handling up to 2,000 watts at 20 MPH and can simulate up to a 20% climbing grade
    • Direct-drive design connects bicycle directly to resistance unit, eliminating tire wear
    • Internally cooling technology ensures accurate ride data even during the hardest of workouts
    • Integrated front wheel tray adds stability to ride and nests within the trainer when not in use
    • Folding legs provide the widest footprint of direct-drive indoor bicycle trainers on the market for added stability and easy storage
    • Includes a Shimano splined free hub for compatibility with Shimano 8- to 11-speed cassettes
    • Accessible and balanced handle allows for smooth, anyone-can-carry transit of the trainer
    • Over-the-air (OTA) firmware updates via Bluetooth 4.0 devices ensure the Hammer is up to date
    • 300 lb. (136kg) maximum load, excluding bicycle
    • Cassette not included
    • Weighs in at 47 lbs. (21.3 kg)
    • Compatible with a wide variety of devices and virtual training applications, including CycleOps VirtualTraining, TrainerRoad and many more (software not included)
    • This Zwift Certified product is compatible with the Zwift online platform so you can track, train and compete in a virtual environment
    • Made in Madison, WI

    Made in USA.

    View all CycleOps Bike Resistance Trainers
  • Technical Specs

    Best Use


    Resistance Type



    Open: 31 x 19.5 x 18.5; folded: 19.5 x 18.5 x 3 inches



    Software Controlled



    47 pounds

  • Reviews
    294 reviews with an average rating of 4.8 out of 5 stars

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