Harley-Davidson Fat Boy 117 suspension setup and specs
Harley-Davidson Fat Boy 117, 2025 onwards: adjustable rear preload, 675 mm (26.6 in) seat height, 130 mm of front suspension travel, 40 psi cold rear tire pressure.
Harley-Davidson Fat Boy
Adjusters this bike has
| Front preload | Not adjustable |
| Front rebound | Not adjustable |
| Front compression | Not adjustable |
| Rear preload | Adjustable |
| Rear rebound | Not adjustable |
| Rear compression | Not adjustable |
Suspension travel and hardware
| Front suspension travel | 130 mm (5.1 in) |
| Rear suspension travel | 86 mm (3.4 in) |
| Fork diameter | 49 mm (1.9 in) |
| Front suspension | Dual Bending Valve (SDBV) |
Cold tire pressure, manufacturer spec
| Front, solo | 36 psi · 2.5 bar |
| Rear, solo | 40 psi · 2.8 bar |
| Front, two up | 36 psi · 2.5 bar |
| Rear, two up | 40 psi · 2.8 bar |
| Front tire | 160/60R18 |
| Rear tire | 240/40R18 |
Weight, seat height and geometry
| Wheelbase | 1665 mm (65.6 in) |
| Rake | 30° |
| Trail | 104 mm (4.1 in) |
| Seat height | 675 mm (26.6 in) |
| Front brake | Dual disc, 4-piston fixed caliper |
| Rear brake | Single disc, 2-piston floating caliper |
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.
MotoSetGo covers the Harley-Davidson Fat Boy in the app, with a 30 day trial and no card up front.