Forza 4ZA Cirrus Pro Stem

Availability: In stock

The CNC machined 4ZA Cirrus Pro stem provides World Champion level quality.

Designed and tested in the real world lab of Belgium.

Multiple sizes for road, tri, mountain or TT usage.


+ Lightweight 3D forged 7050 aluminum stem

+ T6 heat treatment to maximize strength

+ Optimized wall thickness for the best stiffness to weight ratio

+ Less torque required for a higher closing force

+ Sandblasted Black

+ 31.8 clamping diameter utilizing distinctive 2 piece design

+ Optimized Frontcap Design For Even Torque Distribution

+ Stack Height: 40 mm

+ Angle: +/- 7°

+ Weight: 100 grams - 105 grams


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