The Fusion 16 wheelchair wheel has been designed by Sun Components for performance and durability. It features: a lightweight black anodized double wall rim, a custom or machine forged hub, 1/2 inch sealed cartridge bearings, 1.87 inch bearing spacing, 16 12-gauge stainless steel spokes, and this wheelchair accessory is compatible with 6-tab hand-rings. This wheel even comes in 24, 25, and 26 inch sizes.