Racing Handlebar, 420-25.6mm, Vintage Bike, Eroica R273

This is a used vintage racing handlebar with two critical dimensions: 420 millimeters of overall width and a 25.6 millimeter clamp diameter. The photos form part of the description, so the actual surface condition, markings, and exact bend profile are visible in the images.

Drop Bar Geometry for a Period Road Cockpit

On a classic road machine, the handlebar defines the rider's forward reach and hand positions. The 420 mm width and 25.6 mm clamp diameter are the two values that determine whether this bar will slot into an existing vintage stem and brake lever setup. Before fitting, compare both measurements against the stem clamp and the available lever body width.

Key Measurements

• Overall width: 420 mm
• Clamp diameter: 25.6 mm
• Category: racing handlebar, vintage road bike
• Stock reference: R273 (location code, title only)

What to Check on a Used Bar

A used handlebar may carry light cosmetic marks from storage or previous installation. The clamp area is the first point to inspect for deformation, cracks, or deep scoring. The drop ends should be checked for any sign of bending or compression from a previous crash. The listing photos provide the visual record of this specific bar's condition.

For a period-correct cockpit, compare this bar against other vintage drop options such as the BF vintage drop handlebar in 400-24.4 mm or the 3ttt racing handlebar in 400-21.8 mm.