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Bottom Bracket Compatibility Table


Crank model                                      spindle by shell length    spindle by shell length    spindle by shell length
Dura-Ace  FC-7410 1993 and later                 103mm x 68mm - English     103mm x  70mm - Italian

Shimano XT FC-M737 1994 and later
Shimano LX FC-M565 1995 and later  
Shimano LX Hyper-C FC-M563 1994                  107mm x 68mm - English     113mm x 73mm - English  

Shimano XTR FC-M910 - 1995
Shimano XTR FC-M900 - 1993-94-92
Shimano 105SC / FC1056 1993 and later            107mm x 68mm - English     107mm x 73mm - English      107mm x 70 - Italian

RaceFace Turbine LP                              108mm x 68mm - English     108mm x 73mm - English 

Syncros Road Cranks                              109mm x 68mm - English                                 109mm x 70mm - Italian

Shimano STX  FC-MC31 - 1994                    110.5mm x 68mm- English    110.5mm x 73mm - English       

Campy - all Road 1990 to 1994
Campy Record OR  - 1990 and later                111mm x 68mm - English                                 111mm x 73mm - Italian

Dura-Ace  FC-7402 1991-1992-1993                 112mm x 68mm - English                                 113mm x 70mm - Italian

Shimano Ultegra / FC-6400 1991 and later
Shimano 105SC / FC-1055 1991 and l992            113mm x 68mm - English                                 115mm x 70mm - Italian

Shimano LX 74/100 BCD FC-M560 1993-94            113mm x 68mm - English     118mm x 73mm- English   

Cook Bros. "E"  Type Crank
Sugino Fuze
Topline Road                                   113.5mm x 68mm - English   113.5mm x 73mm - English     113.5mm x 70mm - Italian

Suntour XC Pro,  XC Comp  Micro Drive          113.5mm x 68mm - English               

Grafton ATB Joystix
Kooka Kranks, a few chainline applications
Ritchey ATB triples
Syncros MTB - some chainline applications      117.5mm x 68mm - English   117.5mm x 73mm - English       

Suntour XC Pro, XC Comp Micro Drive            117.5mm x 73mm - English        

Cook Bros. CBR - some chainline applications
Cook Bros. RSR
Kooka Kranks - most triple applications
Race Face Turbine
Shimano Deroe XT FC-M730 1993 and earlier
Shimano Deore DX FC-MT60 1993 and earlier
Shimano Deore LX FC-M550  1992                 122.5mm x 68mm - English   122.5mm x 73mm - English       

Cook Bros. RSR some chainline applications
Shimano XT M730
      pre 1994- some chainline applications
Shimano DX Mt60
     1991-92-93- some chainline applications
Topline MTB in some applications               127.5mm x 68mm - English     127mm x 73mm - English 




In-depth Information About Metals

Aluminum
Aluminum is extracted electrolytically from bauxite ore. It is made by the electrolysis of aluminum oxide which is found in larger concentrations within bauxite ore. Bauxite is a mixture of the hydroxides of aluminum, together with other impurities such as oxides of iron, titanium, and silicon. Bauxite is produced by the weathering and change of aluminum silicate rocks usually found in tropical and semitropical regions where climate has produced an accelerated weathering process. Bauxite is not a rare ore and is widely available in the US, the Caribbean, and Europe. Approximately 4 pounds of read the full article...

Beryllium
Beryllium is a specialty metal that is steel-grey metal in color, with an extremely low density, making it very light weight. At 1.85 grams to the cubic centimeter, its density compares to that of magnesium. It is also a high strength metal, making it possible to design light weight, thin membered parts with ahigh stiffness. A column made of beryllium to support a load placed directly downward on top of it, will have a greater load carrying capacity, and be lower in weight than any other metal of equal size.

Until the 1950's beryllium was used read the full article...

Titanium
The element titanium was discovered in 1763 by an English cleric, William Gregor who was an amateur chemist with an inquiring mind. It was in the black sands of Cornwall that he discovered the new element that had up to that time, attracted little scientific interest. A few years later, an Austrian, Klaproth, extracted the same element from an ore widely known as "rutile", which is a mineral consisting of titanium dioxide (one titanium atom, two oxygen atoms), that is a reddish-brown substance with a slight metallic luster. While rutile is the highest grade read the full article...

Metallurgic Hardness Testing
There are three types of tests used with accuracy by the metals industry,they are the Brinell hardness test, the Rockwell hardness test, and the Vickers hardness test. Hardness is the property of a metal which gives it the ability to resist being permanently deformed (bent, broken, or have its shape changed), when a load is applied. The greater the hardness of the metal, the greater resistance it has to deformation. Since the definitions of metallurgic ultimate strength and hardness are rather similar, it can generally be assumed read the full article...


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