The story
From twenty-nine + -er.
Etymology from Wiktionary, CC BY-SA 4.0.
twenty-niner
Today it means: A mountain bike with wheels of approximately 29 inches in diameter. Full definition →
Today it means: A mountain bike with wheels of approximately 29 inches in diameter. Full definition →
From twenty-nine + -er.
Etymology from Wiktionary, CC BY-SA 4.0.