Technical data:Valve:Schrader Valve (A.V),easy to inflating tires with a normal pumpFrame:Hiland Steel FrameFork:ZOOM Suspension ForkShifters:SHIMANO RevoShift 21SDerailleur:Shimano TourneyChain wheel: 24*34*42TCrank arm: length 170 mmCassette:Shimano 14-28TChain:KMC Z7Tyres: Kenda 24/26*1.95Tubes: Kenda 26*1.95,Schrader valveRims: Aluminium double wall H 29 mmSeat post: 27.2 mm x 300 mmPedals: 9/16 inch axleDelivery condition: 85 % pre-assembledBox contents: 1 bicycle with accessories (reflectors, pedals,tools,user manual)

• NO WORRIES ABOUT THE VALVES: Hiland had corrected the valve to American standard - Schrader valve(A.V)
• DRUABLE FRAME :Hiland steel frame, 24/26*1.95 Kenda tires, disc-brake, Taiwan ZOOM suspension fork.Frame LIFE TIME warranty.
• SHIMANO DRIVETRAIN :SHIMANO RevoShift twist grip shifters with 21 speeds,pedaling up a hill will be easier.
• FREE KICKSTAND AND PEDALS :85% pre-assembled,come with basic assembly tools, really easy to assemble.Free kickstand and pedals included.Hiland customized kickstand, nice-looking and practical, you don't need to buy extra kickstand.
• 24 inch ideal for 4'7'' & 5'5" teenager,26 inch ideal for 5'5" & 6'1'', CHECK THE SIZE BEFORE YOU ORDER.