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Diamondback 2ND Assault Bike 2014

Item #: BI230R01
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Diamondback 2nd Assault Bike 2014

Since 1978, the Diamondback brand name has been synonymous with precision, durability and integrity. Diamondback is a brand that built its reputation on top of the line BMX bikes. 30 years later, they are bridging that gap from their high end BMX to high end mountain bikes. Designed and refined through feedback from DF5 Factory riders, the 2nd Assault is a burly little low slung rig designed to trick, flip, stick and hit.

The 2nd Assault takes its cues from it's high-flying brother: the Assault. Sharing the same 6061-T6 Aluminum frame w/ tapered head tube, Mission formed top tube and steel reinforced horizontal BMX dropouts, the Assault frames are stout and fully capable of going big. Weighing in at a respectable 4.5 lbs makes this one of the lighter dirt jump frames on the market.

Rocking a single speed specific horizontal dropout keeps things clean and simple. 69° head and 72° seat angles combined with significantly compact 15.3" chain stays and a 22” sloping top tube make the 2nd Assault easy to throw around and manual for days.

The 2nd Assault comes spec’d with a Manitou Circus Dirt Jump, 100mm travel fork with a Maxle 20mm thru axle. This keeps the front end stiff and burly. Tubular chromoly cranks provide a solid jumping platform while the 32h Alienation PBR front and Black Sheep rear rims provide stout landing gear for touchdown. A Hayes HMX-5 Mechanical Disc rear brake with a V6 Rotor and Diamondback stem, bars, pedals, and signature Pivotal seat posted atop an Alienation Billy Club seatpost round out the package.

BIKE SPECS
Sizes
13" Medium
Frame
Assualt Dirt Jump 6061-T6 Aluminum frame w/ tapered head tube, Mission Formed Top Tube, ISCG 05, steel reinforced horizontal BMX dropouts
Fork
Manitou Circus Dirt Jump, 100mm travel, 20mm thru
Cranks
Tubular Cromo 48 Spline, 175mm, 25 tooth
Bottom Bracket
Euro Sealed Cartridge with 4 Sealed Bearings, 19mm spindle
Brake Lever
Tektro alloy w/ reach adjust
Brake
Hayes HMX-5 Mechanical Disc w/V6 Rotor
Cog
12t cog
Rims
Alienation 32h PBR front / Blacksheep rear rims
Tires
Kenda 26x2.35 Small Block 8 front / 26x2.1 NPJ rear
Pedals
DB cromo replaceable pin Platform BMX pedal
Handlebar
DB ProBar 740mm width 31.8mm Mid Rise
Stem
DB AL6061 3D forge 31.8, 50mm ext. 7degree rise
Seatpost
Alienation Billy Club Pivotal 30.9
Seat
DB BMX, Pivotal Saddle
Headset
FSA No.57 Taper, 1.5 / 1 1/8" Alloy cups, Sealed Cartridge
Chain
KMC-HL710 Half link chain
Hubset
Front: 32h Alloy Sealed bearing, 20mm thru axle
Rear: 32h Alloy single speed w/ CNC disc mount, Sealed Bearing, 10mm nutted axle
Spokes
White 14g Stainless Steel
Grips
DB4L Lock-on 135mm D2 Kraton
Extras
Owner’s manual, Chainstay Protector, Clear Coat
Note: Specifications subject to change at any time


GEOMETRY
Size
13" Medium
Seat Tube Length
13"
Standover Height
27"
Top Tube Length
22"
Head Tube Length
125mm
Head Angle
69º
Seat Angle
72º
Wheel Base
1055mm
Chain Stay Length
390mm
Fork Offset
45mm
BB Height
330mm
Stem Length
45mm
Handlebar Width
800mm
Crank Length
175mm
Seat Post Length
200mm

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.