CARRERA BLAST MOUNTAIN BIKE. FORKS : SUNTOUR XCT JR FRONT SUSPENSION. GEAR SHIFTER : SHIMANO GRIP SHIFT. BRAKES : MECHANICAL DISC BRAKES. WHEELS : 24 INCH WHEELS. FRAME SIZE : 13 INCH CHILDRENS FRAME. TYRES : NEW MTB STYLE. SADLY IT HAS A COUPLE SMALL MARKS ON THE SIDE WHERE THE CARRERA STICKER IS AND ON THE REAR TRIANGLE NEAR THE BRAKE CALIPER.