Sinus

Lightweight & Capable Gravel Rim — Optimized for 40–60mm Tires

The Sinus Rim is a light, durable, and tubeless-ready gravel rim designed for modern wide-tire setups. With a 25mm internal width on 650B and 21mm internal on 700c, it delivers excellent support and stability for aggressive gravel riding. Its asymmetric profile improves spoke tension balance for increased strength and longevity.

Specifications

• Internal Width: 25mm (650B), 21mm (700c)

• Material: 6061-T6 Aluminum

• Design: Asymmetric

• Tubeless Ready: Yes

• Depth: 24mm

• Valve Type: Schrader

• Tire Compatibility: Optimized for 40–60mm wide gravel tires

• Wheel Size: 650B

• ISO Diameter: 584

• ERD: 551

• Primary Color: Black

• Rim Drilling: 28H

• Eyelets: Single

• Rim Weight: 485g

A strong, modern gravel rim built for performance, reliability, and wide-tire comfort.