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DT Swiss XR391 29 / DT Swiss 240 EXP IS Classic BOOST / Sapim D-Light approx. 1620g wheelset


DT Swiss RR521 700c / DT Swiss 240 EXP CL Straightpull / Sapim CX-RAY approx. 1570g wheelset

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DT Swiss RR521 700c / DT Swiss 350 CL Straightpull / Sapim CX-RAY approx. 1630g wheelset


Enhance your road cycling with DT Swiss RR521 700c Wheelset. Perfect for disc brake control, these rims offer precision and reliability. Paired with DT Swiss 350 CL Straightpull hubs and Sapim CX-RAY spokes, it’s the ultimate choice for road cyclists.

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Elevate your road cycling experience with the DT Swiss RR521 700c Wheelset. Designed for optimum disc brake control, the 32mm high semi-aero RR521 db rim offers exceptional stiffness and precision steering. Its lightweight and reliable construction, combined with a welded rim joint, makes it a perfect choice for road cyclists. Additionally, the PHR nipple system allows for easy tubeless tire installation, making it versatile for gravel or cyclo-cross courses.

Key Features:

  • Welded Rim Joint: Precision welding ensures the lightest and strongest rim connection, enhancing your riding experience.
  • Rim Profile: With a 24mm width, 20mm inner width, and 32mm height, the RR521 700c wheelset offers a balanced and stable performance.
  • Recommended System Weight: This rim is recommended for riders with a system weight of up to 130 kg.

Specifications for RR 521 29×20 DB P WA 24 BL 01P STD VI, RDRR52CDPW24SA5227 (Complete Wheelset):

  • ERD (including washer): 581 mm
  • Rim Material: Aluminum
  • Rim Internal Width: 20 mm
  • Rim External Width: 24 mm
  • Rim Height: 32 mm
  • Number of Holes: 24
  • ASTM Classification: 2
  • Eyelets: None
  • Valve Hole: Presta
  • Rim Profile Joint: Welded
  • Brake Surface: Disc brake
  • Recommended Max. Rider Weight with Equipment: 130 kg
  • Size: 29″/700C
  • Weight: 520 g

Pair these rims with DT Swiss 350 CL Straightpull hubs, featuring a 36T Ratchet, and Sapim CX-RAY spokes to enjoy a balanced and robust build that promises an exceptional road cycling experience.

Additional information

Weight 1630 g
hub version

CL / centerlock

hub axle - front

12×100, 5×100 QR

hub axle - rear

12×142, 5×135 QR

freehub body

Campagnolo, N3W 13s (EKAR), Shimano HG MTB, Shimano HG Road, Shimano Micro Spline, SRAM XD, SRAM XDR

DT Swiss Ratchet system



Sapim CX-RAY / 2.0-2.2×0.9-2.0


black alloy

rear wheel option

Cannondale Ai offset / FSI, Liteville EVO 6, symmetric / standard

Tubeless kit

none, rim tape, rim tape + valve, valve

rush build service

from 5 to 14 working days


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