RockShox Boxxer D1 Upper Crown
Top Pick
RockShox

RockShox Boxxer D1 Upper Crown

4.5

Best durable upgrade for serious downhill mountain bikers.

A critical structural component for maintaining precise steering and handling on high-performance downhill forks. This replacement part ensures your suspension system remains stiff and responsive under the most aggressive riding conditions.

$134.60

In stock

at

Pro Bike Supply

Stanchion Diameter Mm 38
35
38
Compatible Wheel Size 29 inch
Steerer Tube Diameter Inches

Who it's for

  • Downhill riders seeking robust and reliable steering components.
  • Boxxer D1 owners needing a direct, high-quality replacement part.
  • Performance-focused riders prioritizing original equipment specifications and feel.

Who should skip it

  • Budget-conscious riders looking for more affordable replacement options.
  • Cyclists with different fork models or seeking universal component solutions.
  • Beginner mechanics or those preferring simple, plug-and-play component upgrades.

Performance breakdown

Chassis Stiffness

The 38mm architecture provides exceptional rigidity for aggressive downhill lines.

Excellent

Steering Precision

Direct-mount design eliminates flex for razor-sharp tracking through technical terrain.

Excellent

Installation Compatibility

Seamless fit for D1 chassis, though limited to specific 2024+ models.

Excellent

Weight Optimization

Strikes a smart balance between structural durability and necessary weight savings.

Excellent

Build Quality

Genuine RockShox manufacturing ensures long-term reliability under extreme riding conditions.

Excellent

Geometry Adjustability

Standard 52mm offset offers a predictable, stable ride for most riders.

Excellent

Key Specs

Part Type

Upper Crown

Stanchion Diameter

38 mm

Offset

52 mm

Wheel Size

29 inches

Color

Black

Compatibility

Boxxer D1 (2024+)

Weight

181.44 grams

Know before you buy

Still have a question?

Ask Metto anything about the RockShox Boxxer D1 Upper Crown before you decide.

RockShox Boxxer D1 Upper Crown

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