This is a professionally hand built wheel with Shimano 3speed nexus inter 3 hub, laced with 32 DT swiss spokes onto a 29inch/700C (etrto 622) Ryde Rival 26 rim (26mm internal width). Supplied with a sprocket, gear shifter and cable so everything you need to convert to 3 speed internal gears. Just need to add a centre lock disc rotor and tyre. Supplied with rim tape.