Both sides previous revisionPrevious revisionNext revision | Previous revision |
tech:derail [2022/04/21 13:23] – mtbtimeline | tech:derail [2022/10/27 06:23] (current) – mtbtimeline |
---|
| |
| |
For the first 50 years cyclists suffered without gearing, consigned to riding fixies on level surfaces at restrained speeds. In 1884 freewheels appeared, followed by derailleurs in 1899. After many excellent derailleurs popular, it wouldn't be until 1937 that the Tour de France [[https://www.velonews.com/gear/road-gear/how-tour-de-france-embraced-derailleurs/|embraced derailleurs]] and the technology became truly mainstream. | For the first 50 years cyclists suffered without gearing, consigned to riding fixies on level surfaces at restrained speeds. In 1884 freewheels appeared, followed by derailleurs in 1899. After many excellent derailleurs became popular, it wouldn't be until 1937 that the Tour de France [[https://www.velonews.com/gear/road-gear/how-tour-de-france-embraced-derailleurs/|embraced derailleurs]] and the technology became truly mainstream. |
\\ | \\ |
| |
\\ | \\ |
1982 SunTour MounTech GTL, 38T capacity, | 1982 SunTour MounTech GTL, 38T capacity, |
mountech_gtl.jpg | |
[[https://www.disraeligears.co.uk/site/suntour_mountech_gtl_derailleur_5500.html|disraeli]] | [[https://www.disraeligears.co.uk/site/suntour_mountech_gtl_derailleur_5500.html|disraeli]] |
| |
{{m700.jpg?300|1982 RD-M700}} | {{m700.jpg?300|1982 RD-M700}} |
\\ | \\ |
1982 Shimano Deore XT RD-M700, 40T capacity [[https://www.bikeforums.net/classic-vintage/1064087-shimano-rd-m700-derailleur-deerhead-advice-needed.html#&gid=1&pid=8|bikeforums]] | 1984-5 variations of the Shimano Deore XT RD-M700, 40T capacity |
((Each of the RD-M700s pictured here is slightly different.)) | \\ |
| [[https://www.bikeforums.net/classic-vintage/1064087-shimano-rd-m700-derailleur-deerhead-advice-needed.html#&gid=1&pid=8|bikeforums]] |
| ((Each of the RD-M700s pictured here is slightly different. Note the M700-SP //super plates//.)) |
</div> | </div> |
| |
===== 1991 Shimano XTR ===== | ===== 1991 Shimano XTR ===== |
| |
At the same time that Campagnolo saw some space above XT in the mtb market, Shimano dropped their //**R**//ace version of their XT groupset; the first with integrated shifters with brakes and rapidfire triggers. It has remained the top end of mountain bike components: the Dura-Ace of mtb gruppos.((See XTR history at [[https://www.shimano.com/en/100th/history/products/58.php|Shimano]].)) | At the same time that Campagnolo saw some space above XT in the mtb market, Shimano dropped their //**R**//ace version of the XT groupset; the first with integrated shifters with brakes and rapidfire triggers. It has remained the top end of mountain bike components: the Dura-Ace of mtb gruppos.((See XTR history at [[https://www.shimano.com/en/100th/history/products/58.php|Shimano]].)) |
| |
</div> | </div> |
{{xtr.jpg?300|1991 Shimano XTR}} | {{xtr.jpg?300|1991 Shimano XTR}} |
\\ | \\ |
[[https://velobase.com/ViewGroup.aspx?GroupID=0998dbac-dc80-4ff6-a9c7-a7b413923ea4|RD-M900]] Shimano XTR groupset, [[https://www.facebook.com/ShimanomtbNorthAmerica/photos/throwbackthursday-back-in-1992-xtr-m900-was-born-the-ultimate-in-off-road-compon/10155750250682762|Shimano Facebook]] | [[https://velobase.com/ViewGroup.aspx?GroupID=0998dbac-dc80-4ff6-a9c7-a7b413923ea4|RD-M900]] 1992 Shimano XTR groupset, [[https://www.facebook.com/ShimanomtbNorthAmerica/photos/throwbackthursday-back-in-1992-xtr-m900-was-born-the-ultimate-in-off-road-compon/10155750250682762|Shimano Facebook]] |
| |
</div> | </div> |
| |
| |
SRAM started as a maker of [[https://www.bikemag.com/blog/exclusive-the-product-that-changed-the-world/|Grip Shift]] in 1987, a twist shift system for triathletes' aero bars. Branching out to mountain bike downhillers, whoses glove were probably too fat for Rapidfire, they signed [[https://mmbhof.org/greg-herbold/|Greg Herbold]] in 1990 and SRAM found it's niche in between the heavyweight component manufacturers. After 7 years of making just Grip Shifts, SRAM came out with a full component set. | SRAM started as a maker of [[https://www.bikemag.com/blog/exclusive-the-product-that-changed-the-world/|Grip Shift]] in 1987, a twist shift system for triathletes' aero bars. Branching out to mountain bike downhillers, whose glove were probably too fat for Rapidfire, they signed [[https://mmbhof.org/greg-herbold/|Greg Herbold]] in 1990 and SRAM found it's niche in between the heavyweight component manufacturers. After 7 years of making just Grip Shifts, SRAM came out with a full component set. |
| |
{{grip.jpg?200|1988 Grip Shift}} | {{grip.jpg?200|1988 Grip Shift}} |