DT Swiss  RR 421 Rim - Asymmetric

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Color: Black
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A state-of-the-art, high-quality aluminum rim, the DT Swiss RR 421 asymmetric rim is a great upgrade on any road bike. It supports wider tires and still offers a lightweight wheel build.


  • Tubeless-ready rim can be used with or without tubes (tape, valves and sealant not included)
  • Welded rim joints offer a reliable connection, and are used on all high-quality aluminum rims
  • Hooked/crochet tubeless interface supports fixations of the tire bead
  • Asymmetric design allows wheels to be built with even tension, making for an even crispier ride
  • Internal rim width: 20 mm
  • For use with disc brakes


View all DT Swiss Bike Rims

Technical Specs

Item #219954
Best Use

Road Cycling

Tire Type

Tubeless Ready

Wheel Size


Spoke Hole Count

700C X 28H: 28

700C X 32H: 32

Internal Rim Width

20 millimeters

External Rim Width

24 millimeters

Effective Rim Diameter

601 millimeters

Rim Depth

21 millimeters

Brake Compatibility

Disc Brake

Rim Material


Rim Bead Type


Rim Symmetry

Asymmetric (Offset)

Valve Type


Tubeless Compatible



430 grams

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