Harley-Davidson Sportster S (RH1250S) suspension setup and specs

Harley-Davidson Sportster S, 2025 onwards: adjustable front preload, rebound and compression, rear preload, rebound and compression, 753 mm (29.6 in) seat height, 92 mm of front suspension travel, 40 psi cold rear tire pressure.

Model years covered: 2025, 2026 — these share the same suspension hardware. Figures as published by Harley-Davidson.

2025 onwards Harley-Davidson Sportster S
Representative image

Harley-Davidson Sportster S

2025 onwards · cruiser · 1252 cc

Adjusters this bike has

Front preloadAdjustable
Front reboundAdjustable
Front compressionAdjustable
Rear preloadAdjustable
Rear reboundAdjustable
Rear compressionAdjustable

Suspension travel and hardware

Front suspension travel92 mm (3.6 in)
Rear suspension travel81 mm (3.2 in)
Fork diameter43 mm (1.7 in)
Front suspension43mm inverted fork
Rear suspensionPiggyback monoshock

Cold tire pressure, manufacturer spec

Front, solo36 psi · 2.5 bar
Rear, solo40 psi · 2.8 bar
Front, two up36 psi · 2.5 bar
Rear, two up40 psi · 2.8 bar
Front tire160/70R17
Rear tire180/70R16

Weight, seat height and geometry

Wheelbase1520 mm (59.8 in)
Rake30°
Trail148 mm (5.8 in)
Seat height753 mm (29.6 in)
Factory model codeRH1250S
Front brakeSingle disc, radial monoblock 4-piston caliper
Rear brakeSingle disc, floating single-piston caliper

Other Harley-Davidson Sportster S generations: 2021–2024

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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