DT Swiss XM 421 DB
Best durable rims for aggressive trail and all mountain riding.
This rim hits the sweet spot for aggressive trail riding, offering a welded, bombproof build that handles rock gardens without feeling like an anchor. You sacrifice the ultra-wide profile of modern enduro rims, but you gain a nimble, responsive ride that feels significantly faster on the climbs.
$165.16
at
Evolve Bikes
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 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 XM 421
$165.16
DT Swiss M 462 Rim
$116.00
DT Swiss M 462 Rim
$116.00
Who it's for
- Aggressive trail riders seeking a dependable rim for varied terrain
- Riders prioritizing agile handling without sacrificing resilience on technical trails
- Mountain bikers wanting reliable tubeless performance and easy tire changes
Who should skip it
- Budget-conscious riders or those seeking more affordable alternatives
- Riders using very wide tires or seeking maximum tire sidewall support
- Consumers expecting a ready-to-ride wheel or lacking wheel-building expertise
Performance breakdown
Trail Durability
Welded construction handles aggressive rock gardens and impacts with ease.
Weight Efficiency
Lightweight aluminum profile keeps rotational mass low for snappy acceleration.
Lateral Stiffness
Asymmetrical drilling improves spoke tension balance for predictable cornering performance.
Build Quality
DT Swiss precision engineering ensures a consistent, high-quality finish throughout.
Tire Compatibility
The 25mm internal width is ideal for modern, mid-width trail tires.
Tubeless Readiness
Requires aftermarket conversion kits rather than shipping as a tubeless-ready system.
Key Specs
Material
Aluminum
Wheel Diameter
29-inch
Brake Compatibility
Disc Brake
Spoke Count
28 hole, 32 hole
Valve Type
Presta
Internal Rim Width
25mm
Tubeless Ready
False
Joint Type
Welded
Drilling Type
Asymmetrical
Number of Walls
Double Wall
Know before you buy
Still have a question?
Ask Metto anything about the DT Swiss XM 421 DB before you decide.
