The crossword solutions for the term 'START TO CYCLE?' are UNI (3 letters) and TRI (3 letters). The term 'UNI' is short for unicycle, which is a one-wheeled vehicle that is propelled by the rider's feet. It is often used in circus performances and is a popular recreational activity. The term 'TRI' is short for tricycle, which is a three-wheeled vehicle that is propelled by the rider's feet. It is commonly used by young children as a first step towards learning how to ride a bicycle. Both unicycles and tricycles are great ways to start cycling.