Compact 3 The latest offering in the Bag Boy three-wheeled cart line, the Compact 3, like its predecessor, folds in three simple steps and has a small, folded footprint making it easy to get in and out of your vehicle. The Compact 3, due to its larger diameter 11.5” rear tires is noticeably easy to push and has a sporty appeal. Keep your game sharp with this reliable, comfortable, and stylish gear — made for modern golfers who want performance with personality.