When it gets cold, dark, and icy outside, many cyclists choose to keep improving their fitness throughout the winter indoors with a bike trainer. But if you’re looking to buy one right now, you might run into a few road blocks. Since the start of the COVID-19 pandemic, many bike companies are experiencing significant shortages, due to soaring demand. Take advantage of this opportunity. Maximum resistance 540W at 40 km/hr. Compatible with most apps via Misuro B+ sensor (not included) Brand New Inbox Elite Trainer. Includes Free Thru Axle Adaptor for use with bikes with 10mm or 12mm through-bolts.