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Enjoy hardtail performance and versatility. The Diamondback Response Sport Mountain Bike has a 6061-T6 Aluminum frame, a Spinner 120mm travel suspension fork to soak up bumps, and powerful Hayes disc brakes for uncompromised stopping power. 24-speed drivetrain, Truvativ ISOflow 3.0 Crankset, SRAM shifters. Frame: DB 6061-T6 Aluminum w/ Hooded Strongbox Top Tube, Formed Down Tube, DB Snake Stays, replaceable hanger Fork: Spinner Edge AL-1 120mm travel, 30mm stanchions Headset: Ahead 1 1/8" Crankset: Truvativ ISOflow 3.0 w/ replaceable rings, 42/32/22T Shifters: SRAM X-4 Trigger 8-speed Front Derailleur: Shimano C050 Rear Derailleur: SRAM X-4 Brakes: Hayes HMX-4 Disc 6" Rotors Levers: Tektro alloy w/ reach adjust Wheelset: 32h Weinmann XC260 Doublewall rims; Alloy hubs w/ CNC'd disc mount Tires: Kenda Klaw XT 26x2.1 Bars: DB SL318b oversize 31.8mm mid-rise Stem: DB SL318s 31.8mm Seatpost: Alloy micro-adjust 30.9mm Saddle: DB all-moutain Pedals: DB toe clip-compatible platform Chain: KMC-Z82 Sizing: Seat Tube Length: 14, 16, 18, 20, 22" Standover Height: 27.5, 28, 30, 31, 32.5" Top Tube Length: 21.6, 22, 23, 24, 25" Head Tube Length: 120, 120, 130, 130, 145mm Head Angle: 70, 70, 70, 70, 70° Seat Angle: 73, 73, 73, 73, 73° Wheel Base: 1033, 1048, 1064, 1098, 1124mm Chain Stay Length: 424, 424, 424, 424, 424mm Stem Length: 35, 50, 50, 70, 70mm Handlebar Width: 620, 620, 620, 620, 620mm Crank Length: 170, 170, 175, 175, 175mm Seat Post Length: 300, 300, 300, 300, 300mm

Amazon.com Product Description

Compared to a full-suspension mountain bike, a hardtail is better suited to several situations, such as riding to class, dirt jumping, riding on smoother trails, or just cruising around the neighborhood. Combining the perfect blend of hardtail performance with rugged utility, the Response Sport--which shares the same frame and several of the components of the pricier Response Comp--is equipped with an aluminum all-mountain hardtail Response trail frame with a strongbox top tube, a SR Suntour XCM suspension fork, eight-speed Rapidfire trigger shifters, Kenda Klaw XT tires, and a DB All-Mountain saddle. The Response Sport also offers several upgrades from the base-model Response, including a SR Suntour SCT crank set with replaceable chain rings, Tektro Novela 6-inch disc brakes, and Weinmann doublewall rims.

Shimano front and rear derailleurs and 8-speed Rapidfire shifters ensure a smooth ride.

• Sizes: XS (14 inches); SM (16 inches); MD (18 inches); LG (20 inches); XL (22 inches)
• Frame: DB 6061-T6 Aluminum w/Mission machine-formed top tube, formed down tube, DB snake stays, replaceable hanger
• Fork: SR Suntour XCM 120mm travel, 30mm stanchions
• Rear Shock: N/A
• Cranks: SR Suntour XCT 22/32/42t
• Bottom Bracket: Sealed cartridge
• Front Derailleur: Shimano TX50 dual pull; top swing; 34.9
• Rear Derailleur: Shimano Acera 8 speed
• Shifter: Shimano SL-M310 8spd Rapidfire
• Brake Levers: Tektro alloy w/ reach adjust
• Brakes: Tektro Novela mechanical disk brakes; 6 inches
• Gear: Shimano HG30 8spd cassette (11-32t)
• Rims: 32h Weinmann MX260D doublewall
• Tires: Kenda Klaw XT large casing 26x2.1
• Pedals: DB Toe clip compatible platform
• Handlebar: DB SL318b oversize 31.8mm mid rise
• Stem: DB SL318s 31.8mm
• Seatpost: DB SL309p alloy Micro Adjust 30.9mm
• Seat: DB All Moutain saddle
• Headset: Zero stack ahead 1 1/8"
• Chain: KMC-Z82
• Hubset: (F) 32h MX260H alloy w/ CNC disc mount (R) 32h MX260H alloy cassette w/ CNC disc mount
• Spokes: White 14g Stainless Steel
• Grips: DB Brics 130mm D2 Kraton
• Extras: DB key chain, owner's manual, chainstay protector, clear coat, H20 bottle mounts

• Hardtail mountain bike with 26-inch wheels
• Butted 6061-T6 aluminum response trail frame
• SR Suntour XCM 120mm suspension rork
• Shimano Acera rear derailleur w/SLM-310 8spd Rapidfire shifters
• MX260D doublewall rims
• Tektro Novela mechanical disc brakes