Harley-Davidson Fat Bob Twin Cam (FXDF) suspension setup and specs

Harley-Davidson Fat Bob Twin Cam, 2008 to 2011: adjustable rear preload, 663 mm (26.1 in) seat height, 36 psi cold rear tire pressure.

Model years covered: 2008, 2009, 2010, 2011 — these share the same suspension hardware. Figures as published by Harley-Davidson.

2008–2011 Harley-Davidson Fat Bob Twin Cam
Representative image

Harley-Davidson Fat Bob

2008–2011 · cruiser · 1584 cc

Adjusters this bike has

Front preloadNot adjustable
Front reboundNot adjustable
Front compressionNot adjustable
Rear preloadAdjustable
Rear reboundNot adjustable
Rear compressionNot adjustable

Suspension travel and hardware

Fork diameter49 mm (1.9 in)

Cold tire pressure, manufacturer spec

Front, solo36 psi · 2.5 bar
Rear, solo36 psi · 2.5 bar
Front, two up36 psi · 2.5 bar
Rear, two up40 psi · 2.8 bar
Front tire130/90-16
Rear tire180/70-16

Weight, seat height and geometry

Wheelbase1618 mm (63.7 in)
Rake29°
Trail114 mm (4.5 in)
Seat height663 mm (26.1 in)
Factory model codeFXDF
Front brakeDual disc, 4-piston calipers
Rear brakeSingle disc, 2-piston caliper

Other Harley-Davidson Fat Bob Twin Cam generations: 2012–2017

More Harley-Davidson models · All makes

Bike feeling wrong? These are the published numbers. What to actually change depends on the adjusters this bike has, your weight and how it feels.

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