Bicycles On Stamps...

On April 7, 1988 Ireland issued two 28p stamps to commemorate the summer Olympic Games in Seoul, South Korea. One stamp shows cycling.

This February 25, 1992 issue of Ireland promotes a healthy lifestyle.

On April 1, 2000 Indonesia issued a set of 3 stamps (Sc. #s 1899-1901) promoting its "15th National Sports Week. The 500 rupiah, low value stamp depicts a cyclist.

Bicycle race, Japan 1990.

One of the stamps on Japan's 2000 "Letter Writing Day" souvenir sheet of 10 (Sc #2742) features a bicycle.

Norway
Norwegian Bicycles
August 23, 2019
The stamp set features Greswig (1933), Hans Eriksen (1936), Jonas Øglænd (1972), Jonas Øglænd (1975).

In 2005, Spain issued this stamp to publicize the UCI World Road Cycling Chamionships held in Madrid on September 19-25 of that year.

From Wikipedia, "The event consisted of a road race and time trial for men, women, and men under 23." Gold, silver, and bronze medals were awarded in each category. Australians won 3 of the 18 medals.

Bicycles are shown on three of Singapore's computer-vended stamps. The first appearance is on the December 1, 1992 issue (Michel #5) as bicycle rickshaws. Then, on the November 8, 2000 design (Michel #9) a bicyclist and two joggers are shown. Finally, on the June 10, 2003 stamp (Michel #10) a bicycle rickshaw appears on the right side of the design.

Bolivia
Bolivian Cycling Federation
May 29, 2000
The stamp depicts cycling races Doble Copacabana.

The 3000 zloty high value of Poland's set of four stamps for the 1992 Barcelona Summer Olympics features a bicycle.

Cuba
Extreme Sports
July 20, 2019
Set of four, one stamp depicts mountain cycling.

Portugal
Adventure Sports
May 29, 1997
Set of two, one stamp depicts mountain biking.

Peru
Extreme Sports
January 31, 2018
Set of two, one stamp depicts cross country cycling.

On September 20, 1996 Norway issued a special booklet of 8 different, 3.50 kr stamps in conjunction with the Norway '97 stamp show. The theme of the booklet is Norway Post's 350th anniversary. One of the stamps (Facit #1267) depicts a rural delivery postman on a bicycle.

The KARMSUND postmark on the stamp refers to an area, rather than a specific municipality.

From Wikipedia, Karmsund is a strait located in Rogaland County, Norway. The 30 kilometer (19 mi.) long strait divides the island of Karmey on the west and the mainland of Norway and the island of Vestre Bokn on the east."