Navi Z690 Hardtail Aluminum Alloy Seamless Frame, Shimano Alivio 27-speed, Zoom Hydraulic Disc Brake, 27.5" Wheel Mountain Bike (WHITE/GREY) 6061 ALUMINUM ALLOY SEAMLESS FRAME. FRONT MOZO SUSPENSION FORK W/ CABLE CONTROL LOCKOUT. ALUMINUM ALLOY HANDLE BAR, STEM, & SEAT POST. ALUMINUM ALLOY PEDALS ARE INCLUDED. 27-SPEED. SHIMANO ALIVIO FC-M4000 ALUMINUM ALLOY 44T32T/22T170m CRANK SET. SHIMANO FD-M4000-SGS ALIVIO 9-SPEED DERAILLEUR. SHIMANO SL-M4000 ALIVIO LEVER SHIFTER. ZOOM HB-870 HYDRAULIC DISC BRAKE, 160mm STAINLESS STEEL ROTORS. KENDA, 27.5"*1.95" TIRES W/ ALUMINUM ALLOY DOUBLE WALL RIMS. MAX. TIRE PRESSURE: 40 LBS. WEIGHT LIMITATION: 200 LBS. ONE YEAR MANUFACTURER WARRANT FOR FRAME. 6 MONTH MANUFACTURER WARRANTY FOR PARTS.