This lightweight and high-performance gravel rim in 27.5" (650B) combines a low weight of 485 g with a sturdy construction made of 6061-T6 aluminum.

The 25 mm-wide rim with an asymmetric profile is suitable for tires from 40 to 60 mm wide, providing a versatile foundation for gravel wheel builds.

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
• 25 mm internal width: supports gravel tires from 40 to 60 mm wide
• Hooked tubeless-ready design: enables builds with an inner tube or a suitable tubeless tire system
• Asymmetric rim design: supports a balanced and stable wheel build
• 28 spoke holes: provides a solid foundation for durable gravel wheels

Technical details:

• Manufacturer: Seido
• Model: Sinus
• Type: Rim
• Intended use: Gravel
• Wheel size: 27.5 inches
• Weight: 485 g
• ETRTO: 25-584 (650B)
• Rim type: Hooked / Crocheted
• Rim material: 6061-T6 aluminum
• Internal rim width: 25 mm
• Rim depth: 24 mm
• Recommended tire width: 40–60 mm
• Tubeless system: Tubeless Ready
• Tubeless accessories: not included
• Brake system: Disc
• Rim profile / technologies: asymmetric rim design, 5 mm spoke hole offset, nipple seat diameter 551 mm, maximum spoke tension 110–130 kgf
• Number of spoke holes: 28
• Maximum system weight: 110 kg
• Color: black

Scope of delivery:

• 1 x 27.5-inch gravel rim made of 6061-T6 aluminum, 28 holes
• Note: Workshop packaging (without outer packaging)

EAN: 4055822526586 | UPC: | Product ID: SEIDO-RIM-SINUS-25-584-650B-DO

Lightweight, versatile, and designed for modern gravel tires - a solid aluminum rim for custom wheel builds.