18 bikes
Ergonomic fit calculator

Does it
fit you?

Tall riders get burned. You research a bike for weeks, show up at the dealer, sit on it — and your knees are jammed into the tank. MotoTriangle calculates your ergonomic fit before you make the trip.

18
Bikes in DB
4
Fit dimensions
Free
Always open
01
Measure yourself
Inseam, torso, arm length, shoulder width. Takes 5 minutes with a tape measure.
02
Pick a bike
Search our database of motorcycle geometry. New models added continuously.
03
Get your score
Knee angle, back lean, arm reach — each scored and explained in plain language.
04
Book with confidence
Walk into the dealer knowing exactly how the bike will feel before you sit on it.
Your measurements
cm
cm
cm
cm
cm
Select a bike
⌕
△
Enter your measurements and select a bike
to calculate your ergonomic fit score.
—
—
—
—
Fit Score
—
Bike geometry used
Bike Database
18 motorcycles · geometry data · curated from manufacturer specs
+ Submit measurements
Brand Model Year Cat. Seat h. Hbar h. Hbar reach Peg h. Wheelbase Data
How to measure

Measure yourself
in 5 minutes

01
Inseam
Stand barefoot against a wall. Place a book between your legs at crotch height, spine against wall. Measure from the top of the book to the floor.
02
Torso length
Sit upright on a hard chair. Measure from the seat surface to the top of your shoulder (acromion bone).
03
Arm length
Arm relaxed at your side. Measure from shoulder (acromion) to wrist bone (ulnar styloid).
04
Shoulder width
Measure across your back from acromion to acromion (the bony tips of both shoulders).
Tip for tall riders: Inseam is the single most important measurement for seat height compatibility. If your inseam is 90 cm+, filter for bikes with seat height ≥ 840 mm or you risk over-compressed knees.
What's new

Changelog

Every brand and model addition, plus notable changes to the calculator. Newest first.

2026-05-24
launch
Site launch
  • Initial public release of MotoTriangle.
  • Ergonomic fit calculator covering knee, back lean, arm reach and shoulder width.
  • Brand database seeded from manufacturer technical specifications.
2026-05-24
data
KTM 2026 line-up imported
Added the 2026 KTM range (Duke, Adventure, Enduro, SMC and Super Duke families) from the official technical specification sheets.
2026-05-24
data
Yamaha 2025–2026 line-up imported
Added the 2025 and 2026 Yamaha range — MT-07, MT-09, XSR, Ténéré 700, R-series and the YZ off-road family.
2026-05-24
data
Honda 2024 line-up imported
Added Honda roadsters, sportives, off-road and scooter ranges from the 2024 brochure collection.