FSA Metropolis Patterson Chainset - argentato - 28-45T, argentato

Fsa metropolis patterson chainsetideal for the urban riding environment, this two speed chainset features a patented planetary gearing system that looks as amazing as it performs.

Fsa has also equipped this model with a state-of-the-art gear tooth profile, which offers 40% wider gear faces, low drag seals and perfect alignment.

The result is a very simple control mechanism thats unique and allows for instant shifting under any conditions.

The lifestyle caution: a front shifting system this quick and positive will change the way you ride a bike forever.

Although planetary and derailleur systems have been under development since the late 1800s, the metropolis patterson transmission is indeed a completely new approach.

When fsa designers studied sams early work in 2007, the promise of what was to come became clear.

Fsa engineers in usa and asia spent hundreds of engineering manhours designing, prototyping, testing and refining the design.

The crankset has also been extensively field tested by a wide variety of riders with some units approaching 5000 miles over several seasons.

The result is the metropolis patterson transmission, another major achievement from fsa.

Riders will appreciate the completely sealed, smooth, sleek outward appearance, and intuitive, simple operation that allows any level of rider, from novice to expert, to shift at any time, under any load.

Effortlessly.

The patterson crank fits most frames with a threaded bb shell and fixed chain stays.

Downtube cable routing is the most direct, but an optional cable stop bracket permits all cable routing schemes.

It works with any shifter.

The patterson crank is a simple and effective component that any non-technical rider can master quickly.

Because of its ease of use the patterson crank is sure to boost interest, ridership, and excitement in cycling.

This revolutionary crank is beyond comparison and delivers the utmost in style and function.

Fsa saw the potential to offer a simple and effective front shifting component that any non-technical rider could master in just a moment.

Fsa saw the opportunity to help build excitement, interest, and ridership in the most important category for the future of our industry, urban cycling.

The patterson design achieves all of these objectives and more, in an elegant, state of the art package.

We think thats revolutionary.

Features: crank arm material: die-cast alloy finish: printed graphics use: road, mtb, city and touring q factor: 173.

5mm chainline: 47mm overdrive ratio: 1.

6:1 cable routing: downtube cable routingdesign: nbd (no pinch bolt design) bb included: yes, bsa 68mm included, external bearing bbtooth count: 28.

45tcrank arm length: 175mmtwo speed planetary systemweight: 1618gbuy fsa components from chain reaction cycles, the worlds largest online bike store.