Box Zero Stem Spacer Kit
Best lightweight solution for cyclists fine-tuning their handlebar height.
Dial in your perfect handlebar height with this set of ultralight, CNC-machined aluminum spacers. Offering a range of sizes, it's the simple, precise way to fine-tune your cockpit for optimal comfort and control on any ride.
$14.99
at
Roy's Cyclery
Who it's for
- Cyclists seeking precise, millimeter-perfect handlebar height adjustments
- Competitive riders prioritizing a clean, minimalist cockpit aesthetic
- Weight-conscious racers looking to shave every possible gram
Who should skip it
- Budget-focused riders preferring affordable, generic headset components
- Touring cyclists needing significant handlebar rise for comfort
- Home mechanics uncomfortable with precise, torque-sensitive installations
Performance breakdown
Material Integrity
CNC-machined 6061 aluminum provides exceptional strength without adding unnecessary weight.
Adjustment Precision
The varied thickness options allow for highly granular cockpit height tuning.
Compatibility Range
Dual-size support covers both 1-inch and 1-1/8 inch steerer tubes effectively.
Weight Efficiency
Ultralight construction ensures your bike remains nimble during aggressive climbs.
Installation Simplicity
Straightforward design makes swapping or adjusting spacers a quick, painless task.
Finish Durability
The anodized black finish resists scratches and maintains a clean aesthetic.
Material Integrity
CNC-machined 6061 aluminum provides exceptional durability and a premium finish.
Weight Efficiency
Ultralight construction ensures you add height without adding unnecessary bulk.
Adjustment Precision
Varied thicknesses allow for granular control over your handlebar stack height.
Compatibility Range
Versatile sizing fits both standard 1-1/8 inch and 1 inch steerers.
Installation Simplicity
Straightforward design makes swapping or adjusting spacers a quick task.
Aesthetic Integration
Clean black finish blends seamlessly with most modern cockpit setups.
Key Specs
Material
6061 aluminum
Manufacturing
CNC-machined
Color
Black
Total stack height
20mm
Quantity in pack
5
Steerer compatibility
1-1/8 inch and 1 inch
Know before you buy
Still have a question?
Ask Metto anything about the Box Zero Stem Spacer Kit before you decide.
