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DT Swiss RR 521 db Road Rim


Product Name: DT Swiss RR 521 db Road Rim – black
Manufacturer: DT Swiss
Item Code: RDRR52CDPW24SA5227

activity: Cycling
material: Aluminium
usage bikesport: Road Bike
brake type: Disc Brake
wheel size: 28″ (29″) (622mm)
tire type: Wire Bead Tire, Folding Tire, Tubeless Ready
ERD – effective rim Ø: 581mm
Air pressure: 2.9-7.8bar
fitting tire dimensions: 28-62mm
ETRTO: 20-622
max. spoke tension: 1200N
eyelets: none
valve hole diameter: 6.5mm
inner profile width: 20mm
Model year: 2022
Color: Black
weight: 520g
Manufacturer page:

SKU: RDRR52CDPW Categories: , , , Tags: , , , ,


The DT Swiss RR521 db Road Rim in black is engineered for exceptional disc brake control, especially beneficial during high-speed descents. With a 32mm height and width, this semi-aero rim exhibits remarkable stiffness, contributing to the construction of wheels with outstanding steering precision. The RR 521 db is both light and highly reliable, thanks to the PHR nipple system and welded construction.

Key Features:

  • Disc Brake Optimization: Perfectly designed for optimal disc brake control, ensuring confident and efficient braking on the road.
  • Semi-Aero Design: The 32mm height and width provide stiffness, contributing to wheels with excellent steering precision.
  • Welded Rim Joint: Precision welding creates a lightweight, strong rim connection, enhancing overall durability. The smoothened seam ensures a perfect tire fit.
  • Tubeless Compatibility: Suitable for tubeless tire installation, offering versatility for gravel or cyclo-cross applications.
  • Recommended System Weight: Suitable for riders with a system weight of up to 130 kg.
  • Included Accessories: Comes with DT Pro Lock® Squorx Pro Head® nipples and PHR washers for added convenience.

Summary: The DT Swiss RR 521 db Road Rim in black is a high-performance choice for road cyclists seeking precise disc brake control and exceptional steering precision. With a welded rim joint, tubeless compatibility, and a semi-aero design, this rim strikes a balance between weight, reliability, and performance. The included DT Pro Lock® Squorx Pro Head® nipples and PHR washers make it a comprehensive and convenient solution for building wheels that meet the demands of discerning riders.

Additional information

Weight N/A

24H, 28H, 32H


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