The term SOME BIKES can be broken down into two crossword solutions: TANDEMS (7 letters) and TENSPEEDS (9 letters). Tandems are bicycles designed for two or more riders, with two sets of pedals and two seats. They are often used by couples, friends, or family members who want to ride together. Tenspeeds are a type of road bike that typically has 10 gears, allowing riders to adjust their speed and effort depending on the terrain. They are popular among commuters and recreational cyclists alike.