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Fatboy 20

2019 Fatboy 20

Technical Specifications

FRAMESET

FRAME

Specialized A1 Premium Aluminum, fully-butted w/ smooth welds, ZeroStack head tube, 170mm rear hub spacing, replaceable alloy derailleur hanger

SUSPENSION

FORK

Specialized A1 Premium Aluminum, 1-1/8" alloy steerer

COCKPIT

HANDLEBARS

Specialized, double-butted 6061 alloy, 9-degree backsweep, 4-degree upsweep, 31.8mm, 720mm width

STEM

Specialized, 3D-forged alloy, 4-bolt, 6-degree rise, 31.8mm clamp

HEADSET

1-1/8", threadless, ZeroStack, semi-cartridge bearings

GRIPS

Specialized Body Geometry Women's XCT, lock-on

SADDLE

Specialized Youth, steel rails

SEATPOST

Alloy, single bolt, 27.2mm

SEAT BINDER

Alloy, single bolt, 31.8mm

BRAKES

FRONT BRAKE

Tektro Aries, mechanical disc, organic pads, 160mm rotor 

REAR BRAKE

Tektro Aries, mechanical disc, organic pads, 160mm rotor 

BRAKE LEVERS

Tektro, Jr V-brake

DRIVETRAIN

SHIFT LEVERS

SRAM X4, 9-speed, trigger

REAR DERAILLEUR

SRAM X4, long cage

CASSETTE

Sunrace, 9-speed, 11-36t

CRANKSET

Forged alloy, 32T, w/ chainguard

CHAINRINGS

Alloy, 28T

BOTTOM BRACKET

Square taper, sealed cartridge bearings, 100mm shell, 164mm axle

CHAIN

KMC X9, 9-speed w/ reusable MissingLink™

WHEELS & TIRES

RIMS

24" disc, alloy construction, 68mm internal width, 32h

FRONT HUB

Stout 135, loose ball bearings, 10x135 QR, 32h

REAR HUB

Specialized 170, Hi Hi disc, alloy, double-sealed loose ball bearings, QR, 32h

SPOKES

Stainless, 14g

FRONT TIRE

Ground Control Fat, 60 TPI, wire bead, 20x4.0"

REAR TIRE

Ground Control Fat, 60 TPI, wire bead, 20x4.0"

INNER TUBES

20x4.0" tube, Presta valve

ACCESSORIES

PEDALS

Platform

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

11
Crank Length127.0
Handlebar Width640.0
Stem Length60.0
Seatpost Length300.0
Geometry

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