Spinergy wheels with Flexrim pushrims are the world’s first and only low impact pushrim. Pushrims conform to your hand when gripped, making it the most comfortable pushrim you will ever use. Choose 24" (25-540) or 25" (25-599) wheel with 1.8" hub or 2.3" hub,. Spokes are available in black, blue, red, or yellow. 12 spokes. Fits TILITE, Invacare, etc. Sold as a pair.