The Golz TWIN-STAR Exchange Wheel is a performance wheel unlike any other. With spokes 5 times stronger than steel, the TWIN-STAR Exchange offers a superior ride and unmatched performance and durability with a completely unique new look! This performance wheel employs a revolutionary spoke technology using thermoplastic fibers and a double spoke design combined with a 6061 aluminum rim and a star shaped hub. TWIN-STAR Exchange wheels are laterally stiff and keep the wheels from rubbing against your chair as you turn. The unique spoke design allows each spoke to be easily replaced. Golz TWIN-STAR Exchange wheels weigh just 3.56 pounds per pair (24” size) and uses the same axle as a Spinergy LX. Available in 24" (540), 25" (559), and 26" (590) sizes.