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1991 Specialized M2 S Works:

Specialized brewed up the M2 Metal Matrix as a "super aluminum" in the early 1990's.  This is a 1991 frame that appears to have been built up in 1993/4 with some pretty high end parts.  The post, stem, bottom bracket and hubs are all titanium.  The spokes are the composite Fiber Flights which look cool but are not too impact resistant.  I had built a set of these when they were new and broke 7 spokes in 4 rides (promptly replaced with DT Revolution spokes).

Front Nuke Proof Ti hub with Fiber Flight composite spokes (scary) and gray Umma Gumma tire.

Rear XTR derailleur, M2 logo and Fiber Flight spokes.

XTR Rapid Fire shifters, Scott AT 2 LF bars, ITM Ti stem and brake lever extensions.

Click on the pictures above to enlarge

 

 

Frame M2 Metal Matrix aluminum
Fork Cro-Moly steel
Rear Shock NA
Rims Mavic M231
Hubs Nuke Proof Titanium, Control Tech
Spokes Fiber Flight composite
Tires Specialized Umma Gumma
Pedals NA
Crank Shimano XTR
Chain Shimano HG Dura Ace
Rear Cogs Shimano XTR 8 speed cassette
Bottom Bracket Syncros Titanium
Front Derailleur Shimano XTR
Rear Derailleur Shimano XTR
Shifters Shimano XTR Rapid Fire
Handlebars Scott AT 2 LF
Stem ITM Titanium
Headset Specialized alloy, threaded 1"
Brake set Shimano XTR cantilevers
Brake levers Shimano XTR w/ extensions
Saddle Specialized WTB Team Edition Ti rails
Seat Post Litespeed titanium
Colors Black
Size 19"
Serial #   91 T 03407


Parts marked with as * are known to be non-original parts.  Bikes were often customized at the time of purchase or were different as shown in the catalogs so exact specifications were subject to change.