The Primo Balance VSXL+ Cassette Wheel features a Primo Balance cassette hub laced to a Primo VSXL+ rim. The Balance cassette hub is constructed using precision sealed bearings, a 1-piece driver, and an aluminum shell. The double-wall VSXL+ rim is a wider version of the classic VS and designed for bigger tires in the 2.3 - 2.5" range. Includes hub guards. Tech Specs Dual nylon hub guards included 14mm Male Axle 9t Driver Strong like a bull