21in lightweight alloy 6061 series hard-tail frame. Suntour XCT V4 front suspension fork (80mm travel). Shimano Acera 24-speed dual-indexed gears with EZ-Fire shifters. Tektro Novella mechanical disc-brakes front & rear. 26in Ryde-Zac alloy double-wall rims. Formula sealed alloy Quick-Release hubs. Kenda Koyote 2.1in off-road tyres. Padded sports saddle with alloy Quick-Release seat post. Alloy A-Head style stem. Suitable for Inside Leg Measurement 76cm-91cm (30in-36in). Suitable for teenage / adult riders