Tannus Fusion is the world’s first modular tubeless tire insert system. Made of two interlocking components, the system allows riders to select the exact amount of desired tire protection. Each portion of the Fusion insert can also be used individually, for applications ranging from road to trail riding. Spencer recently got his hands on a set of the new Fusion inserts, which are launching today, and set them up on a couple of his bikes. Read on for his review…
