Diamondback Bicycles

Overdrive Sport 27.5 Bike - 2017

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  • Hardtail precision and speed never go out of style.
  • Hand built 6061-T6 aluminum alloy hardtail frame for classic simplicity
  • Custom formed and butted tubing balances stiffness and weight savings
  • SR Suntour 100mm fork gives just the right amount of suspension
  • Shimano 3x9 speed drivetrain offers 27 gears for any terrain


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Product Details

The Overdrive Sport is a classic hardtail that takes advantage of years of development and refinement, delivering a final product that outperforms bikes twice its price. Beautifully formed tubes add strength to the aluminum frame and keep it stiff and lightweight. In true hardtail fashion the Overdrive Sport transfers power to the ground immediately: the slightest force on the pedals travels through a 27-speed Shimano drivetrain and straight to the knobby tires, ready for quick accelerations and long singletrack grinds. A 100mm fork (with lockout) and powerful hydraulic disc brakes help you maintain control on descents and bumpy terrain. With so many features for the price the Overdrive Sport looks better than ever.

  • Frame: Overdrive 27.5" Butted 6061-T6 Aluminum, Formed Top / Down Tube, Machined Headtube, Forged Drop Outs w/ Replaceable Hanger
  • Fork: SR Suntour XCR-LO Coil 27.5", 100mm Travel, 32mm Stanchions, Magnesium Lower, Alloy Crown w/ Hydraulic Speed Lock
  • Headset: 
  • FSA IS-3/NO.11 Integrated Style
  • Cranks: SR Suntour XCR, 44/32/22T
  • Bottom Bracket: Sealed Cartridge
  • Front Derailleur: Shimano Altus M371, Top Swing, Dual Pull, 34.9mm Clamp Diameter
  • Rear Derailleur: 
  • Shimano Acera M3000, 9 Speed
  • Shifter: Shimano Altus M370 3x9 Speed Rapidfire
  • Cogset (Cassette/Freewheel): Shimano HG300, 9 Speed Cassette, 12-36T
  • Chain: KMC Z99, 9 Speed
  • Front Hub: 32h SL-7 Alloy w/ Center Lock Disc Mount
  • Rear Hub: 32h SL-7 Alloy w/ Center Lock Disc Mount, Cassette
  • Spokes: 14g Stainless Steel
  • Rims: DB SL-7 27.5" 32h Doublewall
  • Tires: Kenda Honey Badger 27.5x 2.2"
  • Brakes: Shimano BR-M355 Hydraulic Disc, w/ 180mm Front /160mm Rear Center Lock Rotors
  • Brake Levers: Shimano BR-M355 Hydraulic Lever w/ Reach Adjust
  • Pedals: DB4L Alloy Platform
  • Handlebar: Diamondback "Pro Bar", 720mm Wide, 15mm Rise, 31.8 Bar Bore
  • Grips: DB4L 135mm Kraton
  • Stem: DB 3D Forged, 7° Rise, 31.8 Bar Bore
  • Seat: DB Race M-series Saddle
  • Seatpost: DB Alloy Micro Adjust 30.9mm
  • Extras: Owner’s Manual, Assembly Guide, Tool Kit*