Box Two Stem Spacer Kit
Best for riders seeking reliable and aesthetically pleasing cockpit adjustments.
These machined aluminum spacers are the simplest way to dial in your cockpit geometry without overthinking it. While they lack the flashy carbon aesthetic of high-end alternatives, the robust construction and versatile sizing make them a reliable, no-nonsense upgrade for fine-tuning your ride position.
$9.99
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Who it's for
- Cyclists seeking ergonomic customization and improved bike handling
- Performance-oriented riders valuing reliability and weight savings
- Riders prioritizing a cohesive and visually appealing bicycle build
Who should skip it
- Budget-conscious cyclists or those needing basic functionality
- Casual cyclists who don't require minute adjustments
- Builders aiming for a perfectly matched, non-Box component aesthetic
Performance breakdown
Material Durability
CNC-machined 6061-T6 aluminum offers exceptional strength for a lightweight component.
Adjustment Versatility
Five distinct sizes provide granular control over your handlebar stack height.
Weight Efficiency
Minimalist design keeps cockpit weight low without sacrificing structural integrity.
Installation Simplicity
Standard sizing makes swapping or adjusting spacers a quick, tool-free task.
Compatibility Range
Fits most standard steerer tubes, though lacks options for tapered setups.
Finish Quality
Clean, anodized aesthetic complements most modern bike builds and stem designs.
Key Specs
Material
6061-T6 Aluminum
Inner Diameter
1" or 1-1/8"
Height
1mm, 3mm, 5mm, 10mm
Weight
6.7 grams / 0.24 ounces (per spacer, size dependent)
Quantity per pack
5
Total adjustment range
up to 20 millimeters
Know before you buy
Still have a question?
Ask Metto anything about the Box Two Stem Spacer Kit before you decide.