CARRERA VULCAN MOUNTAIN BIKE (MTB) 18 BLACK. SHIMANO ALTUS GEAR SHIFTERS. SHIMANO ALTUS DERAILLEUR FRONT & REAR. TEKTRO HYDRAULIC DISK BRAKES FRONT & REAR. SR SUNTOUR XCM30 FRONT SUSPENSION (27.5). SR SUNTOUR XCT PEDAL CRANK. SR SUNTOUR SUPER POWER FLOW FRONT COGS.