Overall external diameter: 26mm, measured approximately 26.2mm

Tread width: 7.1mm

Wheel inner bore: 1.95mm (tight fit for 2mm axle)

Overall width: 9.1mm (including axle bore pillar)

Product material: Internal plastic, external rubber. Rubber cannot be removed.

Weight: Approximately 1.6 grams
Note: Please verify product dimensions before purchase.