4ZA Cirrus Pro bar/stem - in brief review£229.98

High-end carbon road cockpit

BikeRadar score4/5Find prices on Bicycle Blue Book

Belgian component brand 4ZA’s top-of-the-range handlebar/stem combination offers a low weight, great standard drop bar with a nicely contoured shape. The semi-flattened top is comfortable to hold and the neat cable-run channels complete a well-thought-out design.

The neatly produced stem is similarly no-fuss, just a very well made, optimal performer that offers a competitive weight for not much cash. Sadly, the same can’t be said of the bar’s price, but in its favour is the fact it’s surprisingly stiff for such a light model. 

It also does a very good job of reducing high-frequency vibrations from poor road surfaces, so it's an impressive all-rounder with a near-premium price thats not too hard to swallow'

This article was originally published in Cycling Plus magazine, available on Apple Newsstand and Zinio.

Warren Rossiter

Senior Technical Editor
Approaching two decades of testing bikes, Warren can be found on a daily basis riding and exploring the road and off roads of Wiltshire's Salisbury Plain in the UK. That's when he's not travelling the world to test the latest kit, components and bikes.
  • Age: 44
  • Height: 188cm / 6'2''
  • Weight: 92kg / 203lb
  • Waist: 86cm / 34in
  • Chest: 112cm / 44in
  • Discipline: Road
  • Preferred Terrain: Big, fast descents and rough surfaces like cobbles or strada bianca
  • Current Bikes: Decade Tripster ATR, Dedacciai Temarario, Cannondale Synapse, BMC Granfondo Disc Di2, Genesis Day One CX, Parlee Z Zero Custom, Storck Scenario Comp Custom, DMR Trailstar, Bianchi Pista, Cube SUV 29er e-bike
  • Dream Bike: Bianchi Oltre Disc, Bianchi Specialissima, Cannondale Slate, Buffalo Bike
  • Beer of Choice: Brew Dog Punk IPA
  • Location: Wiltshire, UK

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