The Seido Sinus is a lightweight and high-performance gravel rim for custom wheel builds in 28 inches.

With its 21 mm-wide rim, asymmetric profile, and 6061-T6 aluminum construction, it provides a versatile base for gravel tires from 28 to 48 mm wide.

The hooked rim profile is tubeless-ready and intended exclusively for use with disc brakes.

Highlights:

• 6061-T6 aluminum: combines low weight with a durable construction
• 21 mm internal rim width: suitable for gravel tires from 28 to 48 mm wide
• Hooked Tubeless Ready: enables use with compatible tubeless tires
• Asymmetric rim design: supports a stable and balanced wheel build
• 28 spoke holes: provides a solid foundation for high-performance gravel wheels

Technical details:

• Manufacturer: Seido
• Model: Sinus
• Type: Rim
• Intended use: Gravel
• Wheel size: 28 inches
• Weight: 496 g
• ETRTO: 21-622
• Rim material: 6061-T6 aluminum
• Rim type: Hooked / Crocheted
• Internal rim width: 21 mm
• Rim height: 26 mm
• Recommended tire width: 28–48 mm
• Rim profile / technologies: asymmetric rim design, 3 mm spoke-hole offset, nipple seat diameter 585 mm, maximum spoke tension 110–130 kgf
• Tubeless system: Tubeless Ready
• Brake system: Disc
• Number of spoke holes: 28
• Max. system weight: 110 kg

Scope of delivery:

• 1 x Seido Sinus 28-inch rim made of 6061-T6 aluminum, 28-hole
• Note: Workshop packaging (without outer packaging)

EAN: 4055822526593 | Product ID: SEIDO-RIM-SINUS-21-622-700C-DO

Lightweight, versatile, and designed for modern gravel tires - the Seido Sinus is a solid foundation for custom disc wheels.