DT Swiss XM 421
Best durable rims for aggressive trail and all mountain riders.
A lightweight, welded aluminum rim that punches above its weight class for aggressive trail riding. It offers the perfect balance of width and durability, making it a reliable choice for riders who prioritize performance on technical terrain without adding unnecessary bulk.
$165.16
at
Airpark Bike Co
More XM Series options
DT Swiss XM 481 Rim
$157.90
DT Swiss M 462
$116.00
DT Swiss M 502
$116.00
DT Swiss XM 421 DB
$124.90
DT Swiss XM 481 DB
$116.00
DT Swiss M 462
$110.90
DT Swiss XM 421 DB
$165.16
DT Swiss XM 481
$174.90
DT Swiss M 502
$110.90
DT Swiss M 502
$116.00
DT Swiss XMC 320 Rim
$662.90
DT Swiss XM481
$157.00
DT Swiss M 462 Rim
$116.00
DT Swiss M 462 Rim
$116.00
Who it's for
- Trail riders seeking dependable equipment for varied terrain.
- Riders prioritizing a lightweight yet strong wheelset for all-mountain.
- Mountain bikers wanting improved grip and fewer flats on their rides.
Who should skip it
- Aggressive riders using wider tires who need maximum sidewall support.
- Budget-conscious cyclists looking for more affordable rim options.
- Specialized racers needing ultra-light XC or heavy-duty downhill specific rims.
Performance breakdown
Structural Integrity
Welded construction offers exceptional durability for aggressive trail riding demands.
Weight Efficiency
Lightweight profile keeps rotational mass low for snappy, efficient climbing.
Tire Support
The 25mm internal width provides a stable, predictable platform for tires.
Tubeless Reliability
Optimized bead seat design makes tubeless setup straightforward and secure.
Build Versatility
A perfect foundation for custom builds across XC and trail disciplines.
Component Integration
Included PHR washers and Prolock nipples ensure precise, long-lasting spoke tension.
Key Specs
Material
Aluminum/Alloy
Wheel Diameter
27.5 inches
Internal Rim Width
25 mm
Brake Compatibility
Disc brake
Tubeless Ready
Yes
Joint Type
Welded
Number of Walls
Double-wall
Intended Use
All Mountain, Trail, XC, Enduro
Valve Type
Presta
Spoke Count
28
Know before you buy
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