Diamondback Response Sport Mountain Bike (2011 Model, 26-Inch Wheels) Review

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(More customer reviews)The Diamondback Response Sport is a very good value in a hardtail mountain bike as you are getting a relatively high end frame design with mid range components. The modified top tube design is a strengthen design borrowed from higher end Diamondback models and similar to some Specialized bikes.
The only catch is that the shift levers and front caliper are not up to the same quality as the rest of the package. The platform pedals are OK for around town and park trails, but you may want to upgrade them for serious single track riding.
I combined this with a top quality suspension seatpost which I find to be the optimum combination of lighter weight and control with some softening of the roughest bumps. The Diamondback site and some retailers have a more complete description of which frame size is most appropriate for your height. The advantage of buying from Amazon is that you can readily get XS, S or XL frame sizes rather than having to settle for Medium or Large at a local shop or sporting goods box store.
The bike arrives mostly assembled, but plan to spend a full Saturday afternoon to correctly reset the derailer travel limits and align the front caliper if you do not take it to a local shop for a professional tune up.

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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.
Specifications:
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

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