HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Engineered With A Lightweight Alloy Frame With Oversize Tubing Steel/Resin Pedals And Front And Rear Alloy Disc Brakes The Surge Mtb Is Equipped To Take On All The Power And Torque You Can Deliver. With A 21 Speed Shimano Drivetrain Suspension Fork And Double-Wall Rims The Surge Mtb Gives You Everything You Need To Smash Through The Most Rugged Terrains. Technical Specifications Frame: 6061 Alloy Mtb Frame With Oversize Tubing Handlebars: Alloy Handlebar With Bar Ends Attached Crankset: Alloy 170Mm Crank With 24/34/42T Steel Chainwheel Brakes: Front And Rear Mechanical Disc Brakes Sizes: 17" Gear Shifters L: 3-Sp Positioning Thumb Shifter Gear Shifters R: 7-Sp Positioning Thumb Shifter Front Derailleur: Shimano Tz500 3Sp Rear Derailleur: Shimano Tz500 7Sp Freewheel: 18-28T 7-Sp Saddle: Comfortable Sports Saddle Wheels: Alloy Rims 26" X 1.95 Mtb Tyres