All City Bicycles Space Horse Tiagra Road Bike. Whether you are planning a quick adventure or a full week of touring, having a bike you can truly depend on is a necessity. All-City Bicycles knows how important a trustworthy bike is, bringing you the Space Horse Tiagra Road Bike that is ready to take you anywhere you want to go. The frame, built with 612 Select Chromoly Steel, ensures a sturdy, smooth, and agile ride and is offered in seven different frame sizes to allow you to find the perfect fit.The Space Horse features a Shimano Tiagra 4700 Groupset, providing a high-quality performance for entry to mid-level riders. The new 10-speed cable pitch allows for compatibility with wider frames and is upgraded with cascaded technology from DURA-ACE. With the Tiagra Groupset creating such a smooth ride, your daily commute, gravel trail, or touring trip offers an all-around a good time.