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Seatbolt Table


SEATPOST                   Quick        Material         Largest     Smallest   Can It Be     Colors       Weight   Price
BOLTS                     Release?                      Distance     Distance   Cut Down? 
                                                         It Will     It Will
                                                        Close On     Close On   

American Classic            yes     Aluminum-Steel        32mm         8mm         Yes      Black-Silver     50 g.   $ Price in Catalog 
                                                                                            Red-Blue-Lav             $ Price in Catalog 

Control Tech Steel          no      Aluminum-Steel        31mm        15mm         Yes    Blue-Blk-Lav-Sil   17 g.   $ Price in Catalog 

Control Tech Titanium       no      Aluminum-Titanium     36mm        11mm         Yes    Blue-Blk-Lav-Sil   12 g.   $ Price in Catalog 

Fast Feather Ti Rod         yes     Aluminum-Titanium     32mm         3mm         Yes    Blue-Blk-Lav-Sil  27.5 g.  not avail

Kalloy QR                   yes          Steel            32mm        13mm         Yes          Black        95 g.   $ Price in Catalog 

Paul Blue or Fire Balls      no      Titanium-Aluminum     27mm        10mm         Yes      Blue - RED      14 g.   $ Price in Catalog 

RingleŽ Standard            nearly    Aluminum-Steel       32mm         6mm         Yes    Blk-Blue-Sil-Red   41 g.  not avail

RingleŽ Extra Long          nearly    Aluminum-Steel       42mm         6mm         Yes    Blk-Blue-Sil-Red   43 g.   not avail

RingleŽ Ti Stix             nearly   Aluminum-Titanium     42mm        13mm         Yes    Blk-B-Camo. Green  34.5 g. not avail
                                                                                          Gold-Lav-Red-Sil

Salsa Flip-Off              yes       Steel-Aluminum     42.5mm     16.5mm         Yes    Blue-Black-Green   45.5 g. $ Price in Catalog 
                                                                                          Lav-Red-Sil-Rasta

Shimano XT                  yes       Steel-Aluminum      36mm        17mm         Yes         Silver        79 g.   $ Price in Catalog 

Shimano XTR                 yes       Steel-Aluminum      28mm        17mm         Yes          Grey         66 g.   not avail

Specialized Trick Release   yes     Titanium-Aluminum     43mm        23mm         Yes      Black-Silver     32 g.   $ Price in Catalog 

SRP Road                    no          Titanium          25mm        18mm          No        Titanium        5 g.   $ Price in Catalog 

SRP ATB Standard            no          Titanium          31mm        10mm         Yes        Titanium       10 g.   $ Price in Catalog 

SRP ATB Extra Long          no          Titanium          37mm        15mm         Yes        Titanium      11.5 g.  $ Price in Catalog 

Suntour XC Pro              yes     Aluminum-Steel        37mm        18mm         Yes          Black        54 g.   not avail




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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