Zipp Service Course SL Stem
Best lightweight upgrade for performance oriented road cyclists.
This is the gold standard for riders who want pro-level stiffness without the carbon price tag. It trades the vibration-damping compliance of more expensive materials for rock-solid power transfer, making it the ideal choice for sprinters who demand absolute precision in their handling.
$94.99
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Who it's for
- Performance-oriented cyclists seeking precise handling and efficient power transfer.
- Style-conscious riders who value a clean and professional cockpit appearance.
- Endurance athletes requiring specific geometry for optimal bike fit.
Who should skip it
- Budget-focused builders looking for the best value-to-performance ratio.
- Home mechanics who prefer the ubiquity of traditional hex head bolts.
- Dedicated weight-weenies aiming for the lightest possible climbing build.
Performance breakdown
Power Transfer
High-grade aluminum construction ensures minimal flex during aggressive out-of-saddle sprints.
Weight Efficiency
Optimized material usage keeps the front end light without sacrificing structural integrity.
Steering Precision
Provides the rigid connection necessary for confident, predictable handling in corners.
Hardware Reliability
T25 bolts offer secure clamping force for consistent, worry-free cockpit setup.
Aesthetic Finish
The matte nano-blast finish delivers a clean, professional look for modern builds.
Installation Ease
Standard dimensions and intuitive hardware make for a straightforward cockpit upgrade.
Key Specs
Stem Length
140 mm
Stem Angle
6 degrees
Steerer Tube Diameter
1-1/8 inches (28.6 mm)
Handlebar Clamp Diameter
31.8 mm
Material
Aluminum
Stem Type
Threadless
Intended Use
Road Cycling
Number of Bolts (Handlebar Clamp)
4
Removable Faceplate
Yes
Finish
Matte
Know before you buy
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Ask Metto anything about the Zipp Service Course SL Stem before you decide.