Fitted with rim tape and skewers with shim for 11 speed conversion if required. Rim Width: 19mm (internal); Rim Depth: 25mm. Rim Material: 6066 Aluminium. Brake Type: Rim Brake. Hubs: SR1, 36T Ratchet System, CNC machined 7075 alloy hub body; Hub Bearings: Front: 2x 699, Rear: 1x 17287 & 1x 6802, Freehub: 2x 6802.