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2009 Specialized

Fatboy Chopper

A 24″ aluminum frame general youth bike with avid mechanical disc brakes.

FrameAluminum
SuspensionRigid
ForkAluminum
Wheels24″ Aluminum
DrivetrainSingle-speed
BrakesAvid Mechanical Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

27 km/h

Fatboy Chopper

28 km/h

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Highest gear

(descending)

Geometry
Specs
Build
Frame

Specialized A1 Premium Aluminum, integrated headset, transform TT w/ internal brake cable routing, ISCG BB shell, forged dropouts w/ disc mount, 24x6"" wheel-specific, integrated centerstand mount

BB StandardBSA, 100mm, Threaded

Fork

Fat Boy A1 Premium Aluminum double clamp, forged dropouts and disc mount

Bottom Bracket

Threaded cup, 4x cartridge bearing w/ Cr-Mo spindle

Headset

1-1/8"" threadless, integrated

Stem

Fat Boy A1 Premium Aluminum, 31.8mm clamp, integrated w/ upper fork clamp

Handlebar

Fat Boy Cruiser, A1 premium Aluminum, 31.8 mm, 700mm wide

Saddle

Fat Boy Chopper w/ integrated post

Seatpost

Fat Boy Cr-Mo 30.9, integrated w/ saddle

TypeRigid

Pedals

Specialized alloy platform, 9/16""

Grips

Specialized Fat Boy, Kraton

Groupset
Crank

Specialized Tubular Cr-Mo Moto, 3pc.

Cassette

Shimano MX-30, single speed, 18t

Chain

KMC KOOL K710SL, 1/2"" x 1/8""

Brakes

Front: Avid BB5, mechanical disc, 8"" G2 Clean Sweep rotor, Rear: Avid BB5, mechanical disc, 8"" G2 Clean Sweep rotor

TypeAvid Mechanical Disc

Brake Levers

Tektro alloy 4 finger w/ ball end

Wheels
Rims

Fat Boy A1, 24 x 6"" rear, 24 x 3"" front

Spokes

2.8mm (9g) stainless Fat Boy Moto Spoke

Front Hub

Specialized Fat Boy A1 Moto, Forged and CNC w/ sealed cartridge bearings and 10mm Cr-Mo axle

Rear Hub

Specialized Fat Boy A1 Moto, Forged and CNC w/ sealed cartridge bearings and 10mm Cr-Mo axle

Tires

Front: Specialized Fat Boy, 24x3.5"", Rear: Specialized Fat Boy, 24x3.5""

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First added 9 July

Last updated 9 July

Not listed for 2,521 days