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...nd road-racing world. The series ran until 1985; its ending also ended the sport in the USA. The French picked it up however and it quickly gained popularit Until the 1990's, supermotos were converted motocross (MX) bikes or enduro bikes. In 1991 Italian manufacturer Gilera released the 'Nordwest' model, the fir

...eeting with [[John Britten]] further fuelled his passion for extreme motor bikes: the [[CR&S Britten V1000]] successfully competed in competitions throughou ...tling, since naked bikes are [[supersport]]s without the fairing or [[road-bikes]] weighing two hundredweight plus.

...or minimoto) are raced around [[Kart racing|kart]] tracks. It is a popular sport in [[Japan]] and [[Europe]] and is gaining in popularity in other parts of The ease of transportation and the low cost of the bikes (they are priced from approximately [[Australian dollar|$]]200 AU for a bas

...nce capabilities while providing comfort and relative safety to the rider. Sport touring has evolved over decades from simply strapping a bag to the back of ==Sport touring motorcycles==

[[Image:abra-125-sport-1924-1280.jpg|right|thumb|300px|'''1924 ABRA 134 Sport ...made a [[tricycle]]. From 1923 to 1927 a limited edition 125 cc and 149 cc bikes with two-stroke DKW engine blocks were built and later added a 132 cc model

[[File:Torpado-Italy_edited-1.jpg|thumb|right|250px|'''Torpado Super Sport''' <br><small>Photo by Manuel van de weijer </small>]] [[File:FSB_0049342423_edited-1.jpg|thumb|right|250px|'''1964 Torpado Sport with custom made [[Brevetto]] cylinder''' <br><small>Photo by Manuel van de

|Sport || [[Motorcycle sport]] ...runs a small 7 round schedule but has a large field of Japanese riders and bikes. [[Atsushi Watanabe (motorcycle racer)|Atsushi Watanabe]] won the [[2007]]

...gine and four-speed transmission, which was avaliable in a [[Touring]] and Sport version. For the 1954 exhibition in [[Milan]] they introduced a two-stroke

...tta Azzurra''. It came in two versions, a Touring and an Extra Luxury. The bikes used the Della Ferrera engine with [[four-stroke]] 175 cc [[valve]] head, B

'''Gori''' was mainly known for its off-road bikes, but also produced children's models and a couple of very sporting 125s- a Gori also produced a small number of the 125cc Sport Valli Replica during 1975-76. This used the same (very slightly detuned) si

|Record year || [[2006 in sport|2006]] ...Irish legs of the [[British Touring Car Championship]] and [[British Super Bikes]], as well as a [[Formula 3]] race; along with other car and bike events.

...e:1936 Taurus 500 G27 Sport 1.jpg|thumb|right|250px|'''1936 Taurus 500 G27 Sport''']] ...e-appeared on the market under the motorcycle brand name '''Taurus'''. The bikes were almost identical to the [[MG]], including models equipped with single

'''Track racing''' is a [[motorcycle sport]] where teams or individuals race opponents around an oval track. There are ...nationally by the [[Fédération Internationale de Motocyclisme]] (FIM), the sport became popular in the 1920s and remains so today.

...'' engines. There are reports that indicate the production of a 346 cc OHV sport engine built in 1927.

...follow Ducati. He is responsible for the most controversial and successful bikes in the modern history of Ducati. [[Image:Ducati Sport1000-2.jpg|thumb|right|Ducati Sport 1000]]

[[Image:fusiM250Sport.jpg|thumb|right|250px|'''Fusi M 250 Sport''']] ...ter, the name of the bikes passing from RAS to Fusi and produced the 250 M Sport camshaft front cylinder and tilted, the Touring M 250 had a valve head cont

[[File:Berneg Fario036_edited-1.jpg|thumb|right|250px|'''1962 Berneg Fario Sport 172.8 cc, 15 hp''']] ...list for that year, were the ''Fario'' Gran Turismo and a slightly faster Sport version. In 1962 Berneg ceased production and closed its doors for good.

..._road_racing |off-road racing]] event where the entrants compete on [[dirt bikes]] over a marked course of natural rugged terrain. Hare and Hounds events ar ...United Kingdom, A Hare and Hound (H&H) is a type of off road [[motorcycle sport]] where the entrants compete [[motorcycles]] over a marked course of natura

In Europe the same sport is often called Long Track racing. This is exactly the same setup as Britis ...track bike have no brakes. The only other main difference is that speedway bikes have no rear suspension and are shorter in length, usually by around 10-12

...49 cc_edited-1.jpg|thumb|right|250px|'''1958 Rizzato Atala Tipo 112 Super Sport 49 cc, 80 km/h''' <br>^{Photo by Theo Jonkhart}]] ...e parts market since the twenties. From 1950's there was also sports motor bikes, namely for land with 123 cc [[FB Minarelli]] engines.

...glia]] rev counter, so neatly stacked away in the tank of this 1951 125 cc Sport.''']] ...Turismo and 4 speed Sport version. A competition version, derived from the Sport, was made for the Milano-Taranto long distance race and measured 53x56 mm,

...-hydraulics front suspension. In the 1970's they built some of the fastest bikes available. ...f 123.6 cc. In 1976 began the production of the ''Juma'' model and a ''125 Sport'', first in France and then in [[Italy]]. The engine was built by '''Aspes'

...cycles. Beta are best known for their popular [[Motorcycle Trials|trials]] bikes. In 2005, they launched a range of [[enduro]] motorcylces using [[KTM]] eng ...Tosi, joined their initials to form the brand-name Beta, and the company’s bikes have been sold under this name ever since.

...p. This reliance on survival skills accounts for the group dynamics of the sport. Club rides and other forms of group rides are common, especially on longer ...nged to Gary Fisher Bicycle Company). The first two mass produced mountain bikes were sold in 1982: the [[Specialized Bicycle Components|Specialized]] Stump

'''Track cycling''' is a [[bicycle racing]] [[sport]] usually held on specially-built banked tracks or [[velodrome]]s (but many ...on was subsequently outlawed by the [[Union Cycliste Internationale]], the sport's ruling body. [[Recumbent bicycle]]s can actually be ridden faster, but ar

...oric Italian brand of [[motorcycles]] that made fast 173 cc and 247 cc OHV bikes until 1936. Afterwords, the [[motorcycle]] production was interrupted until ...e, were assembled, ranging from a single speed moped to the 6 speeds sport bikes like the “Ringo”.

...oto Accossato''' began in 1969 and immediately began producing motorbikes. Sport competition victories have always marked its history. Like the Enduro 1985 ...Enduro with the rider Pierefranco Muraglia . In Italy, those same Muraglia bikes won the Italian champions the same year. Just one year later on an 80 Murag

In the 1980s Aprilia added enduro, trials and road bikes of between 50 and 600 cc. In 1981 Aprilia introduced the TL320 trials machi ...Also in 1995 Aprilia launched the [[two stroke]] RS 125 and RS 250 sports bikes.

...is derived from the French, and was originally called Scrambling when the sport was invented in the UK. The name "motocross" is a contraction derived from ...al terrain features with very few man made jumps, unlike [[Supercross]], a sport that was originally derived from Motocross and is executed on a smaller tra

...chief engineer and these Bianchis were the most successful Italian racing bikes for the next five years. During this time the bike was ridden by such rider image:1952 Bianchi Aquilotto Sport.jpg|<font color=>'''1952 Bianchi Aquilotto Sport''' [http://www.fressonsportsmopeds.co.uk <small>Source</small>]

Superbikes are based on standard production models, [[MotoGP]] bikes on the other hand are propotype machines that bear little resemblance to pr ...and Superbikes race, superbikes are 2-3 seconds per lap slower than MotoGP bikes. This means that a number of superbikes would be able to easily qualify for

[[Image:1934 Sertum 250 VT Sport .jpg|thumb|right|250px|'''1934 Sertum 250 VT Sport''' [http://www.rpw.it <small>Source</small>]]] ...opular switch to the ''Batu'' 175 (available as a Touring, Sport and Super Sport versions), 250cc (with an engine derived from that of the 175), up to the p

...940s]] and the first world championship was held in Paris in [[1950]]. The sport is strongest in the traditional road cycling countries (and particularly so ...a muddy slope with bicycles on their shoulders is the classic image of the sport, although unridable sections are generally a very small fraction of the rac

|Aka || 98, 98N, 98T, 98TL, 98 Sport, 98 Super Sport (in 1952 the 98T was listed as the Cavalline) ...8T, 98TL'' 5.8 bhp @ 7,500. ''98S, 98SS'' '53-54 6.8 bhp @ 7,800 rpm<br>98 Sport & SS '55-58 6.5 bhp at 7,000 rpm

|Class || [[Sport bike]] ...figures give the 1098 the highest torque-to-weight ratio of any production sport bike ever made.

...assion which remains with him to this day. It first led him to take up the sport of racing in which he advanced through several ranks at the amateur level. ...mmediately to Geminiani's request, for he knew that making this champion's bikes would certify his craftsmanship and launch him into the world of profession

...telescopic shock absorbers (1950). A 175 cc followed and was entered into sport racing events like the ''Milano-Taranto'' and the ''Motogiro'' with excelle ...ngine called the ''Vulcan'', they made two versions, a [[touring]] and a [[sport]] that only differ in the finish or styling. The ''Titan'' 175 was added to

...standard for high quality derailleurs for several decades with its ''Gran Sport'', ''Record'', ''Super Record'' gears. Before the 1990s many other manufact * '''Low-normal''' rear derailleurs for mountain bikes are manufactured by Shimano. These derailleurs, introduced in 2004 in the

By [[1954]], Ducati Meccanica SpA was producing 120 bikes a day, but cheap cars were entering the markets, and sales for many motorcy ===OHC 98&nbsp;cc Gran Sport===

...cturer based in [[Baia]], [[Napoli]], initially built mild 49 cc to 249 cc bikes. In 1956, it was the turn of the Paperino Sport Super Lusso 49-cc two-stroke exchange to three separate [[gears]], chain dr

...1950s, 60s and 70s. In 1951 Gitane built motorcycles and light motorcross bikes with two-and four-stroke engines from 49 to 198 cc. In 1957 to 1960 product Image:GrilloSport.jpg|'''Grillo Sport'''

...ther GBC Itla boys obtained results in the major category riding fantastic bikes in the early months of ’77. ]] ...torio Ghezzi and his son Giuseppe, then Inzaghi, Garbelli and Rossin. “The bikes will be called Rossin”, agree Inzaghi, the Ghezzis, father and son, and D

|Class || [[Types of motorcycles#Sport bike|Sport bike]], [[Types of motorcycles#Standard|standard]] [[File:2006 Ducati Sport 1000.jpg|thumb|left|2006 Ducati Sport1000]]

| Class || [[Sport bike]] ...as production of the 996 had since ceased, these were actually 998-series bikes.

...roduced brands. I believe that you will be well-repaid for seeking out our bikes. Tri Sport Bicycles

|Sport || [[Motorcycle sport]] Though no factory bikes were entered a few privateers choose to run Japanese bikes in 2004. Ten Kate Honda with [[Chris Vermuelen]] as its rider, won races an

|Class || [[Sport bike]] ...ing, which is otherwise more commonly participated in by riders of smaller bikes such as the Honda NSR50.

|Class || [[Sport bike]] |Fuel capacity || 16.50 L (4.36 US gal) / 19.5 L on post98' bikes

'''Motorcycle sport''' is a broad field that encompasses all [[sport]]ing aspects of [[motorcycling]]. The disciplines are not all "races" or ti ...] vary greatly in design for each discipline. Broadly speaking, motorcycle sport can be divided into two categories: tarmac-based [[road racing|road discipl

bullet 10/12/90 - Winton race way, Victoria - Thunder bikes B.E.A.R.S. - 4°; bullet 26/12/90 - Wanganui - New Zealand - B.E.A.R.S. THUNDER BIKES 2° - and Formula one - 4°;

...:1949 MM Typo 48 Super Sport 250cc.jpg|thumb|left|'''1949 MM Typo 48 Super Sport 250cc''']] ...rom the quarter-liter were launched. The M.M. were among the most powerful bikes on the market in [[Italy]]: a 250 cc in 1953 declared a maximum speed of 13

...me one of the most important Italian brands. Production was limited as the bikes were built one at a time. The first motorcycle produced in 1909 had a displ ...ge:Della Ferrera38dellaf.jpg|thumb|left|250px|'''Della Ferrera 350cc Super Sport Lusso''']]{{-}}

...800 Sport. The Supersport featured a high specification chassis whilst the Sport was a lower cost version with a less well-specified chassis. Both used the ...4 onwards Ducati reduced the level of chassis specification to that of the Sport (which was subsequently dropped from the range some time later). The alloy

...Santa Pod regularly takes its hospitality trailer to major events in motor sport and helps alot in the local community, offering disabled and local people f [[Top Fuel|Top Fuel Dragsters]], [[Funny Car|Funny Cars]], Jet Cars, Rocket Bikes, [[Pro Modified|Pro Mods]], [[monster trucks]] and other motorsport events

...800 Sport. The Supersport featured a high specification chassis whilst the Sport was a lower cost version with a less well-specified chassis. Both used the ...4 onwards Ducati reduced the level of chassis specification to that of the Sport (which was subsequently dropped from the range some time later). The alloy

...e shop. As a young man, Antonio was given the job of working on the racing bikes. The frames Antonio built then used Columbus SL and SP tubing. In those day ...di Lombardia]]. Mondonico has said that when a builder not only builds the bikes, but goes into the field and assists the racer, he gains insights that are

...twin, initial Grand Prix racing versions being 500 cc, and the production bikes were 750 cc. There was also the [[Ducati 750 Imola Desmo]] that won at Imol ...o light for the V twins. They used the production frame for the 1972 Imola bikes.

|Sport || [[Motorcycle sport]] The '''British Superbike Championship''' series is the leading [[Motorcycle sport|motorcycle racing]] championship in the [[United Kingdom]].

MotoGP bikes are permitted to have engines with 3 to 6 cylinders, and have variable weig ...reasonable cost. A 125 cc bike costs about the same as a small car. These bikes are raced in national championships around the world.

...served trials''', is a non-speed event on specialized [[motorcycle]]s. The sport is most popular in the [[United Kingdom|UK]] and [[Spain]], though there ar In every section, the competitor is scored by an observer (hence the sport's name) who counts how many times the competitor touches the ground with th

...e sporting 15-liter gas tank shaped like that of the overhead camshaft 125 Sport. Complementing this tank was a sporty headlight, cigar-shaped muffler, and ...] ended up with the stylish sporty fuel tank of the [[Ducati 125 Sport|125 Sport]], a much higher spec model. Two years later, the Aurea would have its low

Golden CO 80401. Email: oldbike2@comcast.net. Pre 1900 bikes and accessories, and Victorian bike literature and bicycle poetry of the 1 Museum of Sport and Bicycling

...rkshop where they built racing bikes starting from stock Ducati production bikes. This is how the first true competition Ducati were born, almost next door ...i (an engineer), from the late ‘60s to the early ‘90s, they created unique bikes, excellent from every standpoint and capable of winning world-class competi

1954 - first Astor Sport (3 speed, handle-bar gearshift controls) and pedals (obligatory) 1957 - Astor Super Sport and Competizione ; the Competizione achieved 75 Kph. These had pedals and t

'''Supercross''' is a cycle racing sport involving [[racing]] specialized high performance off-road [[motorcycles]] Supercross was derived from the sport of [[Motocross]]. While Motocross and Supercross are similar in many respe

The making of the most high-tech sport bike on the market ...ered bike, the DB1. After a spell on the production line building customer bikes, Rodorigo was, ironically, long gone by the time Martini built the first-ev

...1991 and in 1997 it introduced the first new MV Agusta motorcycle. The new bikes were four-cylinder 750 cc sports machines ([[MV Agusta F4 series|the F4 ran ...a. Rather they compete with other Italian models such as [[Ducati]] sports bikes the [[Ducati 996|996]], 998, 999, and the naked [[Ducati Monster|Monster]].

...1, a prelude to them attaching the [[Benelli]] badge to their own range of bikes from 1921 onwards. ...prite. Eventually, in 1966, there was a full 74mm-bore 250CC version whose Sport Special performance kit delivered 150 kph in road guise. The ohv single st

| Class || [[Sport bike]] The 996SPS suffix stood for ‘Sport Production Special’. The engine was the same as the one used in the 916SP

...Cagiva_elefant-650_1986.jpg|left|thumb|200px|'''Cagiva Elefant 650, a dual-sport motorcycle using a Ducati engine''']] ...ohnny numerous times at local Southern California tracks. Cagiva motocross bikes were characterized by their fast powerful engines and innovative features,

...only 7 races in this year because this was the first year the smaller 250 bikes & Production models did not race at the TT, instead they were replaced with [[Category:Sport in the Isle of Man]]

Troy showed much promise as a youngster in the sport, however when he entered his teens his enthusiasm for racing waned. He star ...echelons of Grand Prix racing, describing the Honda Motogp bike and MotoGP bikes in general as too inflexible, rigid, and like a 250 for his style

*'''SPORT ENGINE''' - 4 Cylinder 1260&nbsp;cc, Bore x Stroke 84.5 x 56&nbsp;mm ...ady. There were other bikes developed as a result: the 1970 500&nbsp;cc GP bikes and 750&nbsp;cc production 90 degree V-twins.

[[File:1960 Benelli 175 Sport.jpg|thumb|right|250px|'''1960 Benelli 175 Sport''' ...|thumb|right|250px|'''Old Benelli Barn Find with about 500 other very cool bikes''']]

...berlin, Sup. 48-50, GTO Evoluzione, F 40, 166 DeLuxe, 250 GT, 125 GT, 125 Sport, Dino 246 GT/M, 250 GT/L, 275 GTB/4 6 carb, 512 BBI (Daytona), F 40 Le Mans 1902 Oldsmobile Curved Dash; 1909 Ford T Sport; 1913 Ford; 1918 Fiat 501; 1932 Ford V8 Tudor; 1934 Lancia Augusta; 1959 Fo

...as [[Yamaha Motor Company|Yamaha]] signed him to ride its 250cc and 350cc bikes for the [[1972 Grand Prix motorcycle racing season|1972]] season. Saarinen ...in the accident but the loss of Saarinen would have a major impact on the sport. Yamaha pulled out of racing for the rest of the season to honour Saarinen'

...From that first 75cc single, they eventually went on to produce different bikes ranging from [[scooters]], the ''Laverdino'' commuter and eventually to the In 1968 Laverda debuted the result of this thinking. While not an extreme [[sport bike]] in any sense, it exhibited all the virtues that Laverda had become s

...e the California Special Sport, which then became the the Aluminum Special Sport and Titanium. * 2000-01: the barebones bikes, the Jackals, were distinguished by tube tires, single disc brakes, non-int

The '''Aprilia SR50''' is a family of sport scooters built by Italian motorbike company, [[Aprilia]]. Introduced in 19 To sell these vehicles as "mopeds", the bikes are mechanically restricted when imported to approximately 48 km/h. Howeve

...cle speedway''', normally referred to as '''Speedway''', is a [[motorcycle sport]] that involves usually 4 and sometimes up to 6 riders competing over 4 lap ==Nature of the sport==

...assistance. By 1954, Ducati Meccanica SpA had increased production to 120 bikes a day. ...a [[Ducati SportClassic|SportClassic]] series representing the 750 GT, 750 Sport, and 750 SuperSport Ducati motorcycles.)

...]], [[Ceccato]]. Sold at first as Normal version was early to place side a Sport version with slight aesthetical revision, long seddle, crouching handlebar ...er changes. At this time Aero Caproni decided also to take part at the age sport races for to give promotional support at commercial bike. Born a special mo

[[Category:Sport bikes]]

...f Europe, cycling was seen as less of a hobby, and lightweight but durable bikes had been preferred for decades. ...narrow 'racing' type saddle. By 1980, racing and sport/touring derailleur bikes dominated the market in North America.

There are tires designed for dirtbikes, touring, sport and cruiser bikes. while sport/performance tires provide amazing grip but may only last 1,000 miles (1,600

|category || [[Motorcycle sport]] ...l Road Racing Teams Association (IRTA) and manufacturers by the Motorcycle Sport Manufacturers Association (MSMA). Rules and changes to regulations are deci

Given the high market demand for these bikes, many manufacturers had their bikes in this category, 125 roads, the houses in the main market were the Cagiva ...s also used in [[Italian Sport Production Championship|competitions SP]] ( Sport Production), since it was fitted with a propeller drawn to this discipline,

...as [[laptop]] [[computer]]s, [[tripod]]s, [[fishing rod]]s, [[racquet]] [[sport]]s frames, [[string instrument|stringed instrument bodies]] and [[classical ...ce on medium- and higher-priced bicycles. CFRP forks are used on most road bikes.

...acetracks throughout the nation: some estimates range as high as 1500. The sport is popular in Australia and Canada also. Many of the cars may also race on Grass Track is very much a family sport suitable for all ages and abilities. Boys and girls from as young as six ca

...g this small. Chatting with the rider it turned out to be a 1960 Corsarino Sport – red paintwork, tiny clip-ons, tiny 50cc 4-stroke motor – a miniature File:welsh rally 2010 a_edited-1.jpeg|All the other competitors’ bikes look bigger…and newer….

'''Freestyle Motocross''' (also known as '''FMX''') is a variation on the sport of [[motocross]] in which motorcycle riders attempt to impress judges with Riders use modified motocross bikes with aftermarket parts to lower weight and improve performance. Riders wil

'''Enduro''' is a form of [[motorcycle sport]] run on courses that are predominantly [[off-road]]. The main type of endu ...nduro Computers to cheating, while others consider them to be boons to the sport. Either way, using an Enduro Computer absolves the rider from having to lea

...acetracks throughout the nation: some estimates range as high as 1500. The sport is popular in Australia and Canada also. Many of the cars may also race on Grass Track is very much a family sport suitable for all ages and abilities. Boys and girls from as young as six ca

Hillclimbing is a very popular sport on the island of [[Malta]]. Numerous events are organised annually by the [ In [[Sweden]], hillclimb events are run along different lines, with dirt bikes and [[four-wheel drive]] machines literally driving up the side of a roadle

The 500 is available with three different trim levels: Pop, Lounge and Sport. Customers can choose also between 15 interior trims, 9 wheel options, 19 ...era man inside an original 500, just like in the 60s. Both the 500 and the bikes floated on the river.

...inishing ninth that race weekend. Although his first season in the Italian Sport Production Championship was varied, he consistently improved his skills, le ...problems getting used to the new bikes (or dealing with the inferior 500cc bikes), it was all Rossi needed to grasp the Championship with two hands from the

...rs allowing up to seven speeds. In the Netherlands, such so-called 'granny bikes' have remained popular, and are again in production. ...ng enjoyed by riders of the time-tested European [[utility bicycle|utility bikes]].

...and Ravelli (already a famous pilot and motocycle racer) would promote the bikes with his racing prowess. Guzzi and Parodi (along with Parodi's brother) for [[Image:Moto Guzzi Airone Sport 1949.jpg|thumb|Moto Guzzi Airone Sport 1949]]

...of the new 125cc Twin, and first in the 175cc at the Trofeo Internazionale Sport. These summarize the results obtained in the 1958 season. A year later, in ...ry transmission was gear driven and the clutch multi-disc in oil-bath. The bikes were sturdy, well made, with attention to detail, very competitive and abov

...f [[Japan]], participated in the 125 cc race. Today, the premier TT racing bikes are streamlined, technological wonders that complete the Snaefell course at [[Category:Sport in the Isle of Man]]

...and also built chassis' for private customers, mainly in the 750 and 1100 Sport categories, who used mechanicals and engines from various sources, often th ...e in their cooperation. Gilberto Colombo began designing frames for racing bikes and records. Trafiltubi born within the SAR (Special Applications Division)

After the [[1989 Grand Prix motorcycle racing season|1989]] season, 125 cc bikes were limited to single cylinder engines and the 80 cc class was discontinue ...itle because too young!! (Probably this is the most curious victory in the sport's history)

...the [[Isle of Man]], Toseland performed alongside [[Ray Stubbs]] for BBC's Sport Relief, as well as playing a piano set at the British sports personality of ...ught by a professional pianist; while he also started riding [[motocross]] bikes on the coal [[slag heap]]s close to his home.

...nues his involvement in motorcycling, participating in classic events with bikes from his stable of vintage racing machines. He also remains involved in sin * [http://sameerkumar.blogspot.com/2006/09/remembering-john-surtees.html Sky Sport video documentary on John Surtees]

* [[Colnago]] (race bikes) * [[Lotto Sport Italia]]

| Organiser || Amaury Sport Organisation ...'': the ''Easter race''. The race is organised by the media group [[Amaury Sport Organisation]] annually in mid-April.

...the standard Panda 4x4 model. Designed in conjunction with Italian extreme sport clothing manufacturer Dainese, the show star is equipped with sports seats ...ing sports kit, while an aluminium structure is designed to carry mountain bikes.