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.. Designed To Last The Sierra Hybrid Has Been Built With An Alloy Frame And Other Alloy Components. The Alloy Material Offers Greater Durability Increasing The Bike's Lifespan While Remaining Lightweight Offering Superb Balance And Handling. Technical Specifications Frame: Alloy Fork: Suspension Fork -65Mm Travel. Handlebar: Alloy W:680Mm 5 H:25Mm Stem: 28.6Mm E:70Mm 7 Rise Grip: 130Mm Rubber Crank Sets: Alloy 170Mm - 28/38/48T Pedal: Alloy 9/16: Chain: 1/2 3/32 114L Freewheel: 14-34T 7-Speed F.Derailleur: Sunrace 3-Speed Fd R.Derailleur: Sunrace 7-Speed Rd Shifter Front: 3 Speed Rapid Fire Shifter Rear: 7 Speed Rapid Fire Brake: Mechanical Disc - 160Mm Rotor Bottom Bracket: 68Mm L:124.5Mm Rims: 700C 14G 32H Spokes: 4G Tire: 700 X 40C Seat Post: 27.2 350Mm Seat Clamp: 31.8Mm Quick Release