A pair of black and white BSD Aero Pro rims on a white background, showcasing their aerodynamic styling and strength.

Aerodynamic styling of a BSD Aero Pro Rim on a white background.

A black BSD Aero Pro Rim on a white background, showcasing its aerodynamic styling.

Highlights

Built for strength, not looks
Extra thick tapered sidewalls
Curved strut and cavity supports
Angled spoke seats

Description

The Aero Pro may look like a lightweight rim, but the aerodynamic styling hides a design engineered around strength, the same way its big brother the NASA rim was. Extra thick tapered sidewalls and extra thick tapered spoke seats put material where rims usually give up, and the spoke seats are angled to suit proven cross over lacing.

Inside the rim there is a curved inner strut plus two intra cavity supports, which lift radial stiffness and axial strength. It measures 36mm wide by 20mm tall in 6066-T6, with an outer diameter of 419mm, an ERD of 384mm and a weight of 520g, and the sidewalls can be run with brakes.

Features

Built for strength, not looks. The aero styling is only styling: strength was the key feature in the design, the same as the NASA rim it comes from.
Extra thick tapered sidewalls. Thicker tapered sidewalls and thick tapered spoke seats put the material where a rim takes the most punishment.
Curved strut and cavity supports. A curved inner strut and two intra cavity supports increase radial stiffness and axial strength inside the 36mm wide profile.
Angled spoke seats. The spoke seats are angled for proven cross over lacing, so spokes sit straight out of the nipple.
Brake friendly. The sidewalls can be used with brakes, so you can run a calliper on this rim rather than going brakeless.

Specifications

Material: 6066-T6 construction
Rim width: 36mm
Rim depth: 20mm tall
Brake surface: Yes, can be used with brakes
Weight: 520g
Note: Outer diameter 419mm, ERD 384mm. Hole count is not listed in the source.

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