Key Features: The ultimate choice for in-game trainer steering, the Sterzo Smart ANT+ / Bluetooth communicates directly with Zwift and other training programs for accurate and responsive steering control,Compatible with any direct drive or wheel-on trainer,Designed to allow your front wheel to turn naturally with a gentle self-correcting tension so allow a more realistic feel,Steering action turns on multiple cartridge bearings for durability and a smooth, natural feel,Accepts tyres up to 57 c,Weight limit: 120 KG.