Square is an intelligent frame with a high-quality virtual shifting system that allows you to customize the controls and precisely adapt them to the shifting operations of major manufacturers (Shimano, SRAM, and Campagnolo). The frame can be used by multiple users as it can be fully adjusted to fit different bike sizes, from XS to XL. Square offers a bike station that is always compatible and can be expanded with the most popular direct-drive home trainers in the industry, as well as the most advanced accessories from the Elite ecosystem, such as the Rizer. The virtual shifting system and belt drive provide a smooth riding experience without noise and vibrations. Possible crank length settings: 165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm.