Decathlon Singapore Top 1 Axles, Bearings & Seals Decathlon Bicycle Turbo Trainer Skewer Van Rysel For Quick Release - Black Van Rysel Designed to convert a bike with a quick release axle to be used with a home trainer. Specially designed for home trainers, this adaptor for a bike with a quick release axle of 9mm diameter ensures a perfect connection between the home trainer and the bike. $10.00 + Shipping Visit merchant