Harley-Davidson FLSTFB Fat Boy Lo vs Harley-Davidson FLSTF Fat Boy (2011)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson FLSTFB Fat Boy Lostacks up against the Harley-Davidson FLSTF Fat Boy. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHarley-Davidson FLSTFB Fat Boy LoHarley-Davidson FLSTF Fat Boy
Model year20112011
Price$16,299$15,999
Engine1584 cc1584 cc
Torque127 Nm127 Nm
Weight318 kg315 kg
Seat height26 mm28 mm
Fuel capacity5.2 L5.2 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesSingle disc. 4-piston Single disc. 4-piston
Rear brakesSingle disc. 2-pistonSingle disc. 2-piston
Tires140/75-R17 / 200/55-R17 140/75-R17 / 200/55-R17

Harley-Davidson FLSTFB Fat Boy Lo vs Harley-Davidson FLSTF Fat Boy — which should you buy?

Picking between the Harley-Davidson FLSTFB Fat Boy Lo and the Harley-Davidson FLSTF Fat Boy usually comes down to the numbers you care about most. On paper, the Harley-Davidson FLSTFB Fat Boy Lo brings its published horsepower in a 318 kg package, while the Harley-Davidson FLSTF Fat Boy counters with its own power figure at 315 kg. On price, the Harley-Davidson FLSTF Fat Boy has the lower MSRP.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: