The Wise Rectrix1 singlewall rim is 36mm wide to better accommodate today’s larger tires. Built with a Wise sealed bearing cassette hub with a 1-piece 10-tooth with 4 pawl engagement, a 14mm chromoly axle, 14g spokes and brass nipples. A nylon rim band is included. Ships with a Kenda Kranium 24 x 2.1” 65psi tire installed. Rear wheel only.