Please try again. Undo this and unthread the cable, retaining the noodle (the bent steel tube that guides the cable through the 90-degree bend). If using drop bars, start by slotting the cable into to the lever. Does this bike have coaster brake on the rear. This bike has a BMX seat that is adjustable as well you can also adjust the handlebars to customize this bike to fit the rider in the most comfortable position. Please try again. The Madd Gear MGP Action Sports Drift Trike comes Pre-Dialed with detailed assembly instructions and supplementary video.