DT Swiss RR 421 Rim
Best lightweight choice for endurance riders seeking long term reliability.
A lightweight, disc-specific option for road cyclists seeking a balance of durability and performance. The welded construction and specialized load-balancing system ensure a reliable, responsive ride, while the tubeless-ready design offers modern versatility for custom wheel builds.
$157.90
More R Series options
DT Swiss RR 481 Rim
$157.90
DT Swiss RR 481 DB Rim
$149.00
DT Swiss RR 511 Rim
$132.00
DT Swiss RR 511 Rim
$157.90
DT Swiss RR 521 Rims
$132.00
DT Swiss R 500 DB
$71.02
DT Swiss R 460 DB
$71.02
DT Swiss RR 411 RB Asymmetric
$142.90
DT Swiss RR 421 DB Asymmetric
$108.90
DT Swiss RR 511
$98.60
DT Swiss RR 521 DB
$113.90
DT Swiss R 470
$63.00
DT Swiss R 470
$59.90
DT Swiss RR 411 Rim
$142.90
DT Swiss R500
$74.90
DT Swiss RR 481 DB
$149.47
DT Swiss R 460 Rim
$74.90
DT Swiss RR 411 Rim
$157.90
DT Swiss RR 511 Rim
$157.90
DT Swiss R 470 Rim
$74.90
DT Swiss A 510
$78.90
DT Swiss R 500 Rim
$63.00
DT Swiss RR 585 Road Rim
$69.99
DT Swiss R 470
$74.90
DT Swiss R 470 Rim
$74.90
DT Swiss RR 421 Rim
$142.90
DT Swiss RR 585 Rim
$87.99
DT Swiss RR 521 Rim
$127.90
DT Swiss R 500 Rim
$74.90
DT Swiss A 510 Rim
$78.90
DT Swiss A 510 Rim
$78.90
DT Swiss RR 411 Rim
$157.90
DT Swiss RR 585 Rim
$69.99
DT Swiss R 470 Rim
$71.02
DT Swiss A 510 Rim
$78.90
Who it's for
- Custom wheel builders seeking improved structural integrity and longevity.
- Road cyclists looking to reduce punctures and improve ride quality.
- Performance-oriented riders wanting a fast-climbing rim that handles daily abuse.
Who should skip it
- Gravel enthusiasts looking to maximize tire volume and stability.
- Budget-conscious cyclists looking for the most affordable replacement rim.
- Traditionalists or vintage bike owners using standard rim brake calipers.
Performance breakdown
Weight Efficiency
Lightweight construction keeps rotational mass low for snappy acceleration.
Build Durability
Seamless welded joints ensure long-term structural integrity under heavy loads.
Tubeless Compatibility
Optimized bead seat makes tubeless setup straightforward and reliable.
Spoke Tension Management
Pro Head system effectively distributes stress for a more resilient wheel.
Ride Responsiveness
Stiff aluminum profile delivers precise handling on technical road descents.
Assembly Complexity
Requires specific washers and nipples, adding steps to the build process.
Key Specs
Weight
430g
Internal Width
20mm
External Width
24mm
Rim Depth
21mm
ERD
601mm
Material
Aluminum
Brake Compatibility
Disc brake
Tubeless Ready
Yes
Spoke Count
24
Finish
Anodized black
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