Triumph Speed 400
2026 | naked
Checking device garage…
Visual reference
Side profile
- Seat height
- 790 mm
- Wheelbase
- 1,377 mm
- Wet weight
- 170 kg
- Category
- naked
Listing links may earn Rider Height a commission.
- Asset
- Pending
- Dimensions
- -
- License
- -
- Source
- -
Data provenance
Where these numbers came from
Every populated geometry field records its source, verification state, and source link when available. These records feed both the simulator and the fit recommendation engine.
- Geometry status
- Provisional
- Field records
- 19
- Verified fields
- 0/19
- Linked sources
- 19/19
| Field | Value | Source | Status | Notes |
|---|---|---|---|---|
| WheelbaseChassis | 1,377 mm | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Ground clearanceChassis | 145 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Seat contact XRider triangle | 689 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Seat contact heightRider triangle | 790 mm | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Seat lengthRider triangle | 220 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Handlebar XRider triangle | 1,074 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Handlebar heightRider triangle | 980 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Handlebar widthControls | 800 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Foot peg XRider triangle | 799 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Foot peg heightRider triangle | 410 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Passenger seat XPassenger | 565 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Passenger seat heightPassenger | 845 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Passenger peg XPassenger | 647 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Passenger peg heightPassenger | 605 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Seat height minimumAdjustability | 790 mm | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Seat height maximumAdjustability | 790 mm | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Wet weightPhysical | 170 kg | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Front wheel diameterRendering | 586 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Rear wheel diameterRendering | 612 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
Bike-level reference: https://www.1000ps.com/en-us/model/11976/triumph-speed-400
Does the Triumph Speed 400 fit you?
The Triumph Speed 400 (2026) lists a 790 mm seat height. In this simplified seat-height model, an inseam around 79 cm is a rough ground-reach reference, not a guarantee of flat-footing. Seat width, suspension sag, boots, mobility, load, and individual proportions can materially change foot contact. Enter your measurements above to compare the modeled reach, then confirm it on the motorcycle.
Riding position
The Triumph Speed 400's naked category suggests an upright, neutral riding position as a modeled starting point. The simulator estimates knee, hip, and elbow angles from the available geometry and your measurements so you can compare the reach to the bars and pegs.
Typical category use
The naked category is commonly associated with everyday commuting, all-round road riding, and riders who want an upright, manageable bike. Rider Height does not assess handling, performance, or whether this motorcycle is suitable for a particular rider.
Fit figures are planning estimates from the current geometry and simplified model assumptions. They are not safety, compatibility, or purchase advice; confirm fit on the actual motorcycle.
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