Submit a measurement

All submissions are reviewed before appearing in the database. Measurements should be taken with calipers on an inflated tire.

Tire

Brand*

Model*

Version

e.g. All Season TR, Tubeless, S TR — leave blank if none

Nominal width*

The width printed on the tire sidewall

Rim

Internal rim width (mm)*

Measured between the inner bead walls

Rim type (optional)

Leave blank if unsure

HookedHooklessMini-hook

Measurement

Measured width (mm)*

Widest point of the inflated tire, including tread knobs, measured with calipers

Time on bike

Tires widen slightly as the casing relaxes — leave blank if unsure

~1 week~1 month1 year+

Tire pressure (optional)

Inflation pressure when measured

Notes (optional)

Clincher vs tubeless, etc.

Please only submit measurements you took yourself — numbers copied from someone else’s testing need their permission. Submitting adds your measurement to the public database and the estimates, credited to the community rather than to you. More on how this data gets used.