7 Level Resistance Magnetic Indoor Bicycle Bike Trainer Exercise Stand Black

                                                          7 Level Resistance Magnetic Indoor Bicycle Bike Trainer Exercise Stand Black

product manual:

• This bike trainer is designed for indoor
  exercise and training. It only takes a minute to set it up, use quick clamps
  to clamp the rear axle and adjust the contact between the wheel and the
  polishing roller. With its fluid-driven drag system and fluid-cooled
  flywheel, you can do whatever you want. When the weather outside is bad,
  there is no reason why you can’t ride a bicycle. This is a great product for
  beginners or professionals who want to stay in shape throughout the year. If
  you love this sport, you will not have nothing. The trainer includes a
  drive-by-wire so you can change resistance directly from the handlebar.

feature:

• Provide effective and convenient indoor
  training
• Easily clamp the quick release or bolt to the
  rear wheel of the bike
• Heavy steel frame structure
• New design features, separate legs for greater
  stability
• 7-level magnetic resistance adjustment
• Magnetoresistive control line, used to adjust
  the level of magnets and adjust the height of the rollers with large screws
  to change the wheel’s friction accuracy to reduce tire wear
• Quiet operation
• Foldable design for easy carrying and storage
• Fixed equipment for easy installation and
  removal
• Fits 26-28 inch or 700C bicycle wheels with
  quick release
• The trainer includes a drive-by-wire so you
  can change resistance directly from the handlebar.

specification:

• Material: A3 steel + ABS + PE
• Weight: about 20 pounds
• Maximum load: about 220lbs

Package Included:

• 1x bike instructor
• 1x front wheel riser
• 1 quick release lever