The ThinkRider X7 Smart R rollers are the perfect companion for training from home without being cold or simply to help you work out on rainy days. This roller has a direct-drive transmission and is compatible with almost all bikes on the market. You can use it with 29\", 27.5\", 26\", 24\" and 700C wheels among other measures. The ThinkRider X7 Smart R rollers have an adjustable base and allow for a slight sway of about 5º which will help you avoid a too rigid position once you are using them. It has a built-in power meter with an accuracy of 2% so you can better set your training plans and set off or sprint in virtual simulation applications such as Zwift, Bkool or TrainRoad, among many more.