Du-Bro Micro Sport wheel 2.5 in (DUB250MS) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/du-bro-micro-sport-wheel-2-5/  (sheet CC BY 4.0)
Basis: Secondary source: HobbyEtc (retailer) (copy of the maker's figures; the maker publishes none directly)
Catalog version: 2026-10-20

Overall (mm): length 63, width 63, height 10
- Retailer copy of Du-Bro data (secondary). Narrow wheel for park flyers with 2 mm (5/64 in) wire gear.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

dimension  value
Diameter  2.5 in (63 mm)
Width  0.40 in (10 mm)
Axle hole  0.078 in (2 mm)
Weight  6.9 g each

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- HobbyEtc (retailer): Micro Sport Wheels 2.50 inch (2) — web — Publisher's page; dimensions are facts — https://store.hobbyetc.com/parts/view/68786

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/du-bro-micro-sport-wheel-2-5/index.json
API: https://xemstudio.com/api/geometry?object=du-bro-micro-sport-wheel-2-5