ProTaper ATAC XC Stem
Best lightweight upgrade for dedicated cross country mountain bike racers.
A featherweight option for riders obsessed with shaving grams off their cross-country build. It balances essential stiffness with premium titanium hardware, delivering a clean, minimalist cockpit setup that doesn't compromise on reliability.
$149.99
Who it's for
- Cross-country racers seeking to shave grams from their bike build
- Performance-oriented riders who value high-end materials and longevity
- Technical trail riders demanding sharp and predictable front-end control
Who should skip it
- Budget-conscious cyclists looking for basic functionality over weight savings
- Recreational cyclists who prefer a high-rise, comfort-oriented riding position
- Gravity-focused riders needing ultra-short stems for aggressive downhill handling
Performance breakdown
Weight Optimization
Featherweight design sets a high bar for competitive cross-country builds.
Material Quality
Premium aluminum and titanium hardware ensure durability without unnecessary bulk.
Cockpit Integration
Minimalist aesthetic blends seamlessly with modern mountain bike geometry.
Handling Responsiveness
The 50mm length provides sharp, predictable steering for technical trail sections.
Installation Ease
Standard four-bolt faceplate makes cockpit adjustments quick and straightforward.
Finish Durability
Laser-etched graphics resist fading and wear from harsh trail conditions.
Key Specs
Stem Length
50mm
Handlebar Clamp Diameter
31.8mm
Steerer Tube Clamp Diameter
28.6mm
Stem Angle
5 degrees
Stack Height
35mm
Weight
90 grams
Material
Aluminum
Bolt Material
Titanium
Stem Type
Threadless Frontload
Number of Bolts (Handlebar Clamp)
4
Know before you buy
Still have a question?
Ask Metto anything about the ProTaper ATAC XC Stem before you decide.
