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Sachs was a European conglomerate that bought up many of the formerly independent French parts makers, including Atom/Maillard/Normandy (hubs, pedals, freewheels) Huret (derailers) and Sedis (chains.) Sachs also made multi-speed internal-gear hubs in 3-, 5-, 7- and 12-speed versions.
Society of Automotive Engineers, a quasi-official trade association which establishes standards for materials and parts used in the automotive industry. When the modern style of bicycle was replacing the high wheeler, in the late 1880's, the new style was mainly noted for its greater safety compared to the older design.This type of saddle requires care and careful breaking in, but when this is done, the classic leather saddle molds itself to fit the particular anatomical shape of its rider.Leather saddles are particularly well suited to long-distance tourists, and have their greatest advantage in hot weather, because they are porous and able to breathe, unlike plastic saddles which have closed-cell foam (also known as "gel") as a cushion.Also, Santana placed a premium on torsional frame stiffness, which is heavily tested in a tandem, and pioneered in assembling top-quality components and sourcing special items such as 48-spoke hubs and rims that made for reliable wheels. S., which has a bottom similar to a Schrader and necks down to about the size of a Presta.This is a Woods valve, formerly popular in the British Isles and Asia.
Sachs formerly also made kick-back hubs and a "2 x 6" hybrid hub, the "Orbit".