Labor Saving Bike Pedal Adapter Bearing Conversion For MTB Road Folding Bicycle Magic Stepper Cycling Accessories

Cycling is your hobby? Check this item for you to customize your bicycle. Do you wanahavit? Bicycle Pedal Labor Saving Adapter Material：Quality Aluminum Alloy CNCMounting screw specifications：9/16-20 Features: 1.Using this product (bicycle magic stepper), you can save 20% of your energy when riding.2.Durable: high quality. have a longer service life. The assembly is simple and quick, and will not affect other bicycle parts.3.Standard: 9/16 inch (Φ14 mm) spindle is suitable for mountain bikes, hybrid bikes, city bikes, BMX bikes, mountain bikes, vintage bikes, cruisers, off-road vehicles, off-road vehicles, folding bikes, road bikes, track and field bikes, Unicycles, city bikes