Extralite UltraBottom Headset
Best lightweight performance for discerning competitive cyclists.
This is the ultimate upgrade for weight-obsessed riders looking to shave grams without sacrificing steering precision. By stripping away every ounce of excess material, it achieves an incredibly low stack height that fits seamlessly into almost any setup. It is a masterclass in minimalist engineering for those who demand performance above all else.
$63.95
Who it's for
- Cyclists prioritizing minimal weight for competitive racing or demanding climbs.
- Riders seeking immediate, accurate steering input for technical terrain.
- Performance-oriented riders wanting longevity from their ultralight components.
Who should skip it
- Cyclists on a budget or those not prioritizing marginal weight savings.
- Riders seeking low-maintenance components or those without specialized bike tools.
- Aggressive riders or those prioritizing absolute bombproof reliability over weight.
Performance breakdown
Weight Optimization
Unrivaled gram-shaving performance for the most weight-obsessed climbing builds.
Bearing Precision
Angular contact bearings deliver exceptionally smooth steering and long-term durability.
Stack Height Efficiency
Minimalist profile allows for aggressive cockpit positioning on nearly any frame.
Material Integrity
7075 T6 aluminum offers a robust strength-to-weight ratio for demanding riders.
Compatibility Range
Extensive standard support covers most modern road, gravel, and XC platforms.
Installation Simplicity
Requires precise tools and experience to seat these tight-tolerance components correctly.
Key Specs
Material
7075 T6 Aluminum
Headset Standards
EC34/30, EC41/30, EC42/30, ZS44/30, EC44/40, IS51/40, IS52/40, ZS56/40
Stack Heights
9.5 mm, 1.0 mm, 1.8 mm, 10.0 mm, 2.0 mm
Weights
31g, 20g, 24g, 39g, 26g, 33g
Bearing Type
Angular contact bearing
Intended Use
Road, Gravel, XC
Know before you buy
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