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The seat post attaches to the seat rails by means of a clamp; Seat lug: a frame lug on the top of the seat tube serving as a point of attachment for a clamp to secure the seat post; Seat tube: the roughly vertical tube in a bicycle frame running from the seat to the bottom bracket; Seat bag: a small storage accessory hung from the back of a seat
A bicycle saddle, sometimes called a bicycle seat, is one of five contact points on an upright bicycle, the others being the two pedals and the two handles on the handlebars. (A bicycle seat in the specific sense also supports the back.) [ 1 ] The bicycle saddle has been known as such since the bicycle evolved from the draisine , a forerunner ...
The size of the seatpost is dependent upon the internal dimensions of the seat tube of the bicycle frame. They come in various diameters, lengths and offsets. Offset is the distance between the centerline of the seatpost tube, and the centerline of the clamp area. Shims are often available to adapt a too-small seatpost to a too-large seat tube.
A Schwinn Voyageur GS hybrid bicycle sold after the company was bought by Pacific Cycle. In late 1997, Questor Partners Fund, led by Jay Alix and Dan Lufkin, purchased Schwinn Bicycles. Questor/Schwinn later purchased GT Bicycles in 1998 for $8 a share in cash, roughly $80 million.
Bottom bracket bearings fit inside the bottom bracket shell, which connects the seat tube, down tube and chain stays as part of the bicycle frame. The term "bracket" refers to the tube fittings that are used to hold frame tubes together in lugged steel frames [ 1 ] which also form the shell that contains the spindle and bearings; the term is ...
For most of the bicycle's history, steel has been the primary material for bicycle frames, with lugged construction the primary assembling method. Steel continues in use by builders of high-quality steel frames, though its dominance as a frame material has waned since the mid-1990s displaced largely by aluminum and carbon fiber; lugging has ...
In 1991, a two-wheel drive bicycle was marketed under the Legacy name. It used a flexible shaft and two bevel gears to transmit torque from the rear wheel, driven by a conventional bicycle chain with derailleurs, to the front wheel. [11] In 1994, Steve Christini and Mike Dunn introduced a two-wheel drive option. [12]
1966 Schwinn Racer Deluxe in coppertone. The Schwinn Racer was a bicycle in the lightweight series of bikes built by Schwinn Bicycle Company in Chicago from 1957 to the mid-1970s. They had a Sturmey Archer 3 speed with 26 x 1 3/8 tires as well as the occasional 24x1 3/8. They were sold with both S5 (Deluxe Racer) and S6 (Standard Racer ...