Triumph Thruxton 400 suspension setup and specs

Triumph Thruxton 400, 2025 onwards: adjustable rear preload, 795 mm (31.3 in) seat height, 140 mm of front suspension travel, 33 psi cold rear tire pressure.

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

2025 onwards Triumph Thruxton 400
Representative image

Triumph Thruxton 400

2025 onwards · standard · 398.15 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

Front suspension travel140 mm (5.5 in)
Rear suspension travel130 mm (5.1 in)
Fork diameter43 mm (1.7 in)

Cold tire pressure, manufacturer spec

Front, solo26 psi · 1.8 bar
Rear, solo33 psi · 2.3 bar

Weight, seat height and geometry

Seat height795 mm (31.3 in)

More Triumph 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 Triumph Thruxton 400 in the app, with a 30 day trial and no card up front.

Or try the free browser diagnosis on one of our sample bikes at motosetgo.com/diagnose.