Zipp Service Course SL-OS Stem
Best adjustable cockpit upgrade for performance oriented road cyclists.
This stem is built for riders who prioritize pure, unyielding stiffness over weight-weenie minimalism. It delivers a rock-solid connection that translates every ounce of effort into forward motion, making it a reliable workhorse for aggressive sprinters who need their cockpit to feel as locked-in as their legs.
$135.00
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Who it's for
- Cyclists owning multiple bikes with different steerer tube diameters
- Performance-oriented riders seeking maximum power transfer and steering precision
- Riders looking for precise cockpit customization without buying multiple stems
Who should skip it
- Minimalist cyclists who prefer universal hex key compatibility for roadside repairs
- Budget-conscious builders looking for the best value-to-weight ratio
- Aesthetic purists who prefer a slim, integrated look for their cockpit
Performance breakdown
Power Transfer Stiffness
The 7075 aluminum build minimizes flex during high-wattage sprint efforts.
Weight Efficiency
Strikes an impressive balance between robust durability and competitive race weight.
Cockpit Compatibility
Included shims make switching between steerer tube standards incredibly straightforward.
Build Integrity
High-grade aluminum construction ensures long-term reliability under heavy road use.
Installation Ease
Standard faceplate design allows for quick, hassle-free handlebar adjustments.
Vibration Damping
Stiff alloy construction prioritizes direct handling over road buzz absorption.
Key Specs
Material
7075 Aluminum
Stem Length
100 mm
Stem Angle
6 degrees
Handlebar Clamp Diameter
31.8 mm
Steerer Tube Clamp Diameter
31.75 mm
Stem Type
Threadless
Intended Use
Road Cycling
Number of Bolts (Handlebar Clamp)
4
Removable Faceplate
Yes
Finish
Matte
Know before you buy
Still have a question?
Ask Metto anything about the Zipp Service Course SL-OS Stem before you decide.
