Derailleur gears are a variable-ratio transmission system commonly used on bicycles, consisting of a chain, multiple sprockets of different sizes, and a mechanism to move the chain from one sprocket to another.

# REDIRECT Derailleur gears

Bowden cable with a barrel adjuster controlling a bicycle rear Derailleur gears | derailleur.

# REDIRECT Derailleur gears

# REDIRECT Derailleur gears

* Derailleur gears

* Derailleur gears

# Redirect Derailleur gears

* Derailleur gears

They were given special Crossley eight-cylinder engines which were fitted with gears and automatic air brakes.

These pedicabs have features like double disc, hydraulic disc brakes and internal hub gears.

Features include Nuvinci invariable hub gears, hydraulic disk brakes on all wheels with park-lock function, LED front-indicator-and brake-lights.

Cycle rickshaws used out side Asia often are mechanically more complex, having multiple gears, more powerful brakes, and in some cases electrical motors to provide additional power.

The transmission of the T-26 consisted of single-disk main dry clutch, a gearbox with five gears in the front part of the vehicle, steering clutches, final drives and band brakes.

This had wider tyres, reliable drum brakes and for the first time provided postal delivery staff with 3 gears.

Chains with 1 / 8 " wide rollers are used on bikes with a single rear sprocket: those with coaster brakes, hub gears, or fixed gears, such as track bicycles or BMX.

* dynamo, brakes and gears improved and increased the riding safety, allowing usage also for elderly

However these devices carry some minor disadvantage in requiring power from batteries that must be replaced every so often ( in the receiver AND sensor, for wireless models ), and, in wired models, the signal being carried by a thin cable that is much less robust than that used for brakes, gears, or cabled speedometers.

The car had front disc brakes and was fitted with a four-speed gearbox: early cars provided synchromesh on the top three ratios, while the arrival of the 1498 cc version coincided with the provision of synchromesh on all forward gears.

The major differences between the two are that cyclo-cross frames have wider clearances, knobby tires, cantilever or disc brakes, and lower gears.

The mechanical transmission in the rear part of the hull consists of a change gear quadrant, a multiplate main clutch of metallic contact, a manual gearbox with five forward gears, two multiplate planetary steering clutches with band brakes and two in-line final drive groups.

It featured special color-matched fender flares and front air dam, ' Rally-Tuned ' suspension with front and rear sway bars, high-effort power steering gears, adjustable Gabriel ( brand name ) ' Strider ' shock absorbers, heavy-duty semi-metallic front disk brakes with ribbed 10x1. 2-inch ( 254x30. 5 mm ) rear drum brakes, unique AMX grille, " Turbocast II " 14x7-inch aluminum road wheels with ER60x14 Goodyear " Flexten " GT radial RWL ( raised white letter ) tires, rear spoiler, special striping package, hood and door decals, console shifted automatic or manual transmission with ' Rallye Gauge ' package ( total of eight dials including an intake-manifold vacuum gauge ), as well as simulated aluminum dash overlays with AMX badge on the glove compartment door.

At 117 s, the car slowly accelerates to 50 km / h in 26 s ( manual: 5 s, 9 s and 8 s in the 1st, 2nd and 3rd gears, with additional 2 × 2 s for gear changes ), cruises for 12 s, decelerates to 35 km / h in 8 s, cruises for another 13 s, brakes to a full stop in 12 s ( manual: 2 s change to the 2nd gear, 7 s in the 2nd gear, last 3 s with clutch disengaged ), then pauses for 7 s ( manual: in neutral with clutch engaged ).

It was steered through a Cletrac differential with five gears and by engaging the brakes.

Like motorcycle speedway, riders use machines without brakes or multiple gears but, unlike motor speedway, the object is not to slide bikes round the turns.

* Track racing — High-speed oval racing, typically with no brakes, no suspension, at most two gears, fuelled by methanol ( not road legal machines ).

Some were quite complex, with aqueducts, dams, and sluices to maintain and channel the water, along with systems of gears, or toothed-wheels made of wood and metal to regulate the speed of rotation.

The mechanical parts of early textile machines were sometimes called ' clock work ' because of the metal spindles and gears they incorporated.

They were once used to directly drive mechanical devices such as ships ' propellers ( for example the Turbinia, the first turbine-powered steam launch ,) but most such applications now use reduction gears or an intermediate electrical step, where the turbine is used to generate electricity, which then powers an electric motor connected to the mechanical load.

As mentioned by Huan Tan in about 20 CE, they were used to turn gears that lifted iron trip hammers, and were used in pounding, threshing and polishing grain.

Early bait casting reels were often constructed with brass or iron gears, with casings and spools made of brass, German silver, or hard rubber, and operated by inverting the reel and using back winding to retrieve line.

Unlike the gadgety mechanical desks of the second part of the 18th century, however, the mechanical parts of drawing tables were usually limited to notches, ratchets, and perhaps a few simple gears, or levers or cogs to elevate and incline the working surface.

Users of recumbent tricycles and a study by the Department of Transport suggested visibility fears were largely unfounded, but the weight, lack of seat-to-pedal adjustment, lack of gears, short pedal cranks, and that the motor overheated on long hills were serious problems ; indeed the motor was essentially useless for climbing hills, with even mild gradients necessitating significant pedal assistance.

According to the report, there were aircraft components factories ; a poison gas factory ( Chemische Fabrik Goye and Company ); an anti-aircraft and field gun factory ( Lehman ); an optical goods factory ( Zeiss Ikon AG ); as well as factories producing electrical and X-ray apparatus ( Koch & Sterzel AG ); gears and differentials ( Saxoniswerke ); and electric gauges ( Gebrüder Bassler ).

At other times, Robby usually retained the working gears inside his transparent dome, although the details of his " brain " and chest panel were sometimes altered ; in an episode of The Man from U. N. C. L. E., Robby's head dome was used as part of a regeneration machine.

But manufacturing methods were improving all the time and by 1907 the quality and appearance had improved considerably: the metal strips were now made of thicker steel with rounded ends and were nickel-plated, while the wheels and gears were machined from brass.

However, the following year strips and girders were painted dark green, the plates Burgundy red, while the wheels and gears remained brass.

Then, group gears were introduced, and another gear stick was added.

All Schwimmwagen were four wheel drive only on first gear ( and reverse gears with some models ) and had ZF self-locking differentials on both front and rear axles.

Various types of Mochet-designed derailleur gears were fitted, with a single gear for the track models.

Germany was protective of the synchronizer system, instructing pilots not to venture over enemy territory in case they were forced down and the secret revealed, but the basic principles involved were already common knowledge, and by the middle of 1916 several Allied synchronizer gears were already available in quantity.