Experience the exhilaration of the Surly Karate Monkey Bike - versatile, resilient, and perfect for dominating any challenging terrain. With over 487 possible configurations, the frame is a blank canvas for your wildest mountain biking dreams. Originally designed as a 29er and a key player in the 29" wheel movement, this latest version is just as impressive as a 27.5+ bike. Choose your adventure and get ready for non-stop fun with a never-ending smile!