Surly Karate Monkey Front Suspension Bike - 27.5" Steel Lost at Sea Blue SmallSurly Karate Monkey Front Suspension Bike 27. 5" Steel Lost at Sea Blue Small. The Karate Monkey Front Suspension bike features a Rock Shox 35 Gold RL A2 suspension fork with 140mm travel and its paired with a dropper post out the box. Progressive trail geometry and Surlys Gnot Boost rear dropout system deliver a versatile bike with the ability to swap hubs and wheel sizes. If you want to round house kick some trail right in the face the Karate Monkey