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FSA Metropolis Patterson Crankset - 165mm Cranks - Black

This item is currently not available for sale.

Front shifting will never be the same thanks to a great new invention by Sam Patterson - the inventor of Grip Shift. The Patterson Transmission delivers rocket fast front shifting every time. This invention will change the way you ride your bike. Now you can use your front shifter any time to get the gear you want right now. Secure and precise. Unaffected by pedal speed or load. Once you try it, you will never go back to multiple chain rings again. Works with any shifter. Requires torque plate and cable guide to work on most trikes.


  • Shifting while pedaling, coasting or still
  • Improved ground clearance
  • Optimal chain line
  • Gearing equivalent to 28/45 T
  • Sleek & Simple
  • Easy to install on trikes w/threaded 68mm BB, downtube cable routing, or fixed stays
  • Compatible with any indexing front shifter
  • Compatible with rear derailleurs and internal gear hubs
  • Chain guarded to permit riding in street clothes


Freewheeling front not compatible with kick back brakes
Die cast alloy crank arms
External bearing BB
Two speed planetary system
Achieves 28T to 45T drive gears
Overdrive ratio 1.6:1
Downtube cable routing
68 mm BB

Chainline 46mm
28T drive chainring
Brushed alloy silver
Color graphics
1730 g (complete assembly including BB)



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