Senior proposes that he and Junior combine forces to build a bike, but Junior is unsure of how to respond. When Rick's wedding brings the two together, Junior gets the reassurance to make a decision once and for all.

Senior and Junior get to work on their big bike build, which reaps surprising results as the two bond over old memories. Meanwhile, PJD starts a trike for Loopster while OCC builds a bike to benefit Senior's favorite charity.