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.

Excellent

Weight Efficiency

Optimized material usage keeps the front end light without sacrificing structural integrity.

Excellent

Steering Precision

Provides the rigid connection necessary for confident, predictable handling in corners.

Excellent

Hardware Reliability

T25 bolts offer secure clamping force for consistent, worry-free cockpit setup.

Excellent

Aesthetic Finish

The matte nano-blast finish delivers a clean, professional look for modern builds.

Excellent

Installation Ease

Standard dimensions and intuitive hardware make for a straightforward cockpit upgrade.

Excellent

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.

Zipp Service Course SL Stem

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