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| 1839 || Model || Scottish blacksmith {{w|Kirkpatrick MacMillan}} develops an early rear wheel pedal driven bicycle.<ref name="A History of the Transportation Revolution"/> || {{w|United Kingdom}}

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| 1855–1860 || Technology || Ernest Michaux from France adds crank treadles to a velocipede (round shafts).<ref name="speedplay.com">{{cite web |title=Bicycle pedal timeline |url=http://www.speedplay.com/index.cfm?fuseaction=home.history |website=speedplay.com |accessdate=1 October 2019}}</ref> || {{w|France}}

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| 1874 || Model || British engineer {{w|Harry John Lawson}} designs the first rear chain driven "safety bicycle".<ref name="Timeline of the Bicycle History"/><ref name="When was the bicycle invented?">{{cite web |title=When was the bicycle invented? Complete Bikes History |url=https://bikeshaven.com/when-was-the-bicycle-invented/ |website=bikeshaven.com |accessdate=22 August 2019}}</ref> || {{w|United Kingdom}}

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| 1876 || Technology || English inventors Thomas Browett and William Harrison patent an early version of the caliper brake.<ref name="The History & Evolution of the Bicycle"/><ref name="The History of Bicyclesc"/> || {{w|United Kingdom}}

| 1879 || Model || British designer {{w|Harry John Lawson}} patents his chain-driven bicycle, with the chain making riding easier.<ref name="58 Milestones from Bicycle History You Must Know"/> || {{w|United Kingdom}}

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| 1880 || Model || The first rear-wheel-drive bicycle, featuring a chain connecting the pedals to the rear wheel, is mass-produced in {{w|England}}.<ref name="The History of Bicyclesc"/> || {{w|United Kingdom}}

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| 1894 || Application (transport) || The first bicycle messenger system is launched in {{w|California}}, to relay mail between {{w|Fresno}} and {{w|San Francisco}}, after a railroad strike brings postal delivery to a halt.<ref name="The History of Bicyclesc"/> || {{w|United States}}

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| 1895 || Manufacturer || German-born mechanical engineer {{w|Ignatz Schwinn}} and Adolph Arnold establish in {{w|Chicago}} the [[w:Schwinn Bicycle Company|Arnold, Schwinn & Company]] to produce bikes.<ref name="Chronology of the Growth of Bicycling and the Development of Bicycle Technology"/> || {{w|United States}}

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| 1976 || Application (sport) || Repack Downhill, the world’s first major organized mountain biking race is held in {{w|California}}.<ref name="58 Milestones from Bicycle History You Must Know"/><ref>{{cite web |title=REPACK HISTORY |url=https://mmbhof.org/mtn-bike-hall-of-fame/history/repack-history/ |website=mmbhof.org |accessdate=26 September 2019}}</ref><ref>{{cite web |title=Repack Downhill: 40 Years Gone By |url=https://dirtragmag.com/articles/repack-downhill-40-years-gone-by |website=dirtragmag.com |accessdate=26 September 2019}}</ref> || {{w|United States}}

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| 1979 || Application (sport)|| Freddie Markham sets the world speed record of 81.8 Km/h, riding a Human Powered Vehicle.<ref name="58 Milestones from Bicycle History You Must Know"/> ||

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| 1979 || Model || Californian designer {{w|Joe Breeze}} creates his prototype of {{w|mountain bike}}, developed by many early designers including Otis Guy, Gary Fisher, and Craig Mitchell. This model features the first tough frames built for downhill racing.<ref name="The History & Evolution of the Bicycle"/> || {{w|United States}}

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| 1981 || Model || American manufacturer {{w|Specialized Bicycle Components}} releases the Specialized Stumpjumper; the first mass produced mountain bike.<ref name="58 Milestones from Bicycle History You Must Know"/> || {{w|United States}}

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| 1984 || Technology || Addition of cogs to the rear gear cluster becomes popular, increasing the number of speeds from 15 to 18, 21 and 24.<ref name="The History & Evolution of the Bicycle"/> ||

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| 1986 || Technology || Kestrel introduces the first non-lugged carbon frame, marking a major turning point in the market for carbon bikes as professional cyclists are now able to rely on the frames to hold up during races.<ref name="The History of Bicyclesc"/> ||

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| 1987 || Model || Paul Turner releases his full-suspension mountain bike, making a big improvement on the existing models.<ref name="58 Milestones from Bicycle History You Must Know"/><ref name="The History of Bicyclesc"/> || {{w|United States}}

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| 1989 || Safety || The Australian government passes the world’s first helmet laws, ordering all cyclists to wear a helmet, in order to curb serious injuries and deaths associated with bicycle accidents.<ref name="58 Milestones from Bicycle History You Must Know"/> || {{w|Australia}}

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| 1992 || Technology || French manufacturer Mavic introduces an electrically-controlled derailleur.<ref>{{cite web |title=HISTORY |url=https://www.mavic.com/en-int/history |website=mavic.com |accessdate=27 September 2019}}</ref><ref name="58 Milestones from Bicycle History You Must Know"/> || {{w|France}}

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| 1994 || Technology || SRAM introduces the disc brake, a metal disc that is attached to the wheel. When the brakes are trigger, the disc slows down, thus forcing the wheel to also slow. Intended primarily for off-road bikes, disc brakes would since become a standard component of mountain bikes.<ref name="58 Milestones from Bicycle History You Must Know"/><ref name="The History of Bicyclesc"/> ||

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| 1994 || Technology || Sachs introduces the first mass-produced hydraulic {{w|disc brake}} system.<ref name="A Review on Design Developments in Bicycle">{{cite web |title=A Review on Design Developments in Bicycle |url=https://www.academia.edu/13831834/IRJET-A_Review_on_Design_Developments_in_Bicycle |website=academia.edu |accessdate=25 September 2019}}</ref> ||

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| 1998 || Model || [[w:Electric bicycle|Ebikes]], which include integrated electric motors that can be used for propulsion, begin a period of rapid adoption in Asia ({{w|China}} and {{w|India}}, in particular) and Europe.<ref name="A Review on Design Developments in Bicycle"/> || {{w|Asia}}, {{w|Europe}}

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| 2002 || Technology || Italian manufacturer {{w|Campagnolo}} introduces 10 Co-gear clusters that allow 30 speed bicycles.<ref name="A Review on Design"/> || {{w|Italy}}

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| 2007 || Statistics || {{w|Electric bicycle}}s are thought to make up 10 to 20 percent of all two-wheeled vehicles on the streets of many major Chinese cities by the time.<ref name="Electric bicycle History"/> || {{w|China}}

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| 2007 || Manufacturer || British bicycle manufacturer {{w|Boardman Bikes}} is founded.<ref>{{cite web |title=Halfords acquires Boardman Bikes |url=https://www.cyclingweekly.com/news/product-news/halfords-acquires-boardman-bikes-125396 |website=cyclingweekly.com |accessdate=19 September 2019}}</ref> || {{w|United Kingdom}}

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| 2009 || Technology || {{w|Shimano}} introduces the first commercially successful electronic gear shift system for {{w|road bicycle}}s.<ref name="A Review on Design Developments in Bicycle"/><ref name = "Austen">{{cite news

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| 2010 || Statistics || Worldwide production of bicycles is in the range of 125 to 130 billion units.<ref name="History of the Bicyclebicyclehistory.net"/> ||

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| 2012 || Technology || Adaptrac develops a system that allows the rider to individually adjust tire pressure while riding. Through a system of carbon dioxide cartridges, this allows riders to maintain optimum traction when riding conditions change.<ref name="The History & Evolution of the Bicycle"/> ||

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| 2014 || Technology || Lithium Nickel Manganese Cobalt Oxide Batteries (known as NMC batteries) are introduced, with NMC delivering higher power in a smaller package than previous models. These batteries would become popular with electric bicycles.<ref name="The History & Evolution of the Bicycle"/> ||

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