ZENY™ New Indoor Exercise Portable Magnetic Resistance Bicycle Trainer Bike StandProduct description Wanna enjoy bicycle training while it's too cold, too wet, or too dark out on the roads, or you simply just don't feel like going for an outdoor ride? Then this item is perfect for you. You will be able to stay in shape regardless of the weather outside. What's more, you can watch TV and ride your bike at the same time under its help. Feature: Brand new and durable Solid construction Easily clamps down on quick release or bolts