Zipp Service Course Stem
Best reliable aluminum stem for road and gravel cyclists seeking precision.
A no-nonsense aluminum seatpost that prioritizes secure fit and precise saddle positioning. Its zero-offset design and robust two-bolt clamp make it a dependable choice for road, gravel, and mountain riders who need a reliable foundation for their ride.
$57.00
Who it's for
- Sprinters and racers needing efficient power transfer
- Cyclists prioritizing long-term reliability for daily training
- Riders seeking precise fit and aerodynamic positioning
Who should skip it
- Weight-conscious cyclists chasing the lightest possible setup
- Riders prioritizing maximum vibration damping on rough roads
- Budget-focused shoppers comparing value against entry-level competitors
Performance breakdown
Structural Rigidity
Forged 7075 aluminum delivers exceptional stiffness for confident, responsive steering.
Weight Efficiency
Balances lightweight performance with the durability required for rugged gravel riding.
Installation Simplicity
The intuitive four-bolt faceplate design makes cockpit adjustments quick and painless.
Finish Durability
Anodized coating resists corrosion and maintains a clean, professional aesthetic.
Clamping Security
Robust four-bolt interface ensures your handlebars stay locked in place.
Versatility
Equally capable on smooth tarmac or demanding, vibration-heavy gravel paths.
Key Specs
Material
AL-6061 Aluminum
Construction Method
3D-forged
Finish
Bead Blast, Silver
Intended Use
Road Cycling, Gravel Cycling
Steerer Tube Diameter
1-1/8 inches
Handlebar Clamp Diameter
31.8 mm
Steerer Tube Clamp Diameter
28.6 mm
Number of Bolts
4
Removable Faceplate
Yes
Stem Length
60mm - 130mm
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