Library › Everyday mounts › Bicycle handlebar diameters: 22.2, 23.8, 25.4, 26.0, 31.8 and 35.0 mm

Handlebar section Ø26.0 (—) × 100 long, axis on X

Handlebar section Ø26.0 (—) × 100 long, axis on X: the outside of the bar (the wall is not drawn); DXF = the exact Ø26.0 circle

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL DXF free, CC BY 4.0 (credit "Xem Studio")

Dimensions

clamp or section Ø (mm)	Ø26.0
inch	—
where it is used	the Italian drop-bar clamp size
from	Sheldon Brown, BikeGremlin

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From the full sheet

Bicycle handlebar diameters: 22.2, 23.8, 25.4, 26.0, 31.8 and 35.0 mm: every size, notes, mating features and sources. What diameter is a bike handlebar?

Other sizes

Handlebar section Ø22.2 (7/8 in) × 100 long, axis on X
Handlebar section Ø23.8 (15/16 in) × 100 long, axis on X
Handlebar section Ø25.4 (1 in) × 100 long, axis on X
Handlebar section Ø31.8 (1 1/4 in) × 100 long, axis on X
Handlebar section Ø35.0 (1 3/8 in) × 100 long, axis on X