Harley-Davidson FXCW Softail Rocker vs Boom Trikes Mustang II (2021)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson FXCW Softail Rockerstacks up against the Boom Trikes Mustang II. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHarley-Davidson FXCW Softail RockerBoom Trikes Mustang II
Model year20092021
Price
Engine1584 cc1596 cc
Horsepower110 hp
Torque117 Nm160 Nm
Weight307 kg660 kg
Seat height25 mm
Fuel capacity5.0 L10.0 L
Fuel typepetrolpetrol
Transmission6-speed5-speed
Front brakesSingle disc. 4-piston Single disc
Rear brakesSingle disc. 2-pistonSingle disc
Tires90/90-R19 / 240/40-R18 170/60-17 / 295/50-15

Harley-Davidson FXCW Softail Rocker vs Boom Trikes Mustang II — which should you buy?

Picking between the Harley-Davidson FXCW Softail Rocker and the Boom Trikes Mustang II usually comes down to the numbers you care about most. On paper, the Harley-Davidson FXCW Softail Rocker brings its published horsepower in a 307 kg package, while the Boom Trikes Mustang II counters with 110 hp at 660 kg.

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: