Road Bike Rim Diameter
At first tyre dimensions were expressed through mounted and inflated tyre outer diameter.
Road bike rim diameter. Mountain bike riders should know the difference between slick and knobby tires. Older road bikes went out of fashion in the early 1980s. As it happened the bike industry came to describe and market road category drop bar products in c and millimeters and mountain bike products in inches. 1979 mm 77 9 inches.
Before setting out to match a tire to your rim make sure you know what type of bike you have. The rim diameter size is measured differently with etrto for example. Rim diameter of a mtb is 559 mm. 1954 mm 76 9 inches.
That is why today we still often see mtb tyres noted as 26 tyres or 28 tyres for road bicycles. Just as a 700c wheel is the same diameter as a 29 29er wheel 650b shares the exact same rim diameter as 27 5. A distinguishing feature on road bikes is their large diameter yet narrow rims. The standard modern road bike wheel has an iso diameter of 622 mm and is referred to as 700c makes sense right.
700 c 28 x 1 5 8 29 inch 28 x 1 1 2 f 13 canada most newer adult bikes for road use use this size including most road bikes and hybrids. The standard road bike rim size is 700c with the name coming from an approximate metric measurement taken from the diameter of the wheel including an inflated tyre. 29 inch are fat tires same rim diameter. So the rim spec will be 622 x then another number this other number will refer to the rim s internal width for a road bike this could be a number from 13mm up to 25mm with most road bike rims in the 18 19 mm area.
Road bike rims cannot accommodate mountain bike tires and vice versa. The closest rim we got is the r25 17 9mm internal 25mm outer width 25mm depth. The history of that name would need a whole other blog post to fully explain but the short version is that it came from international tire sizes where the outside diameter would be approximately 700mm and multiple rim sizes would be labeled 700a 700b 700c etc. A standard 700c road bike rim with a 23mm tyre width which is the same size as 700 x 23c.
Bicycle wheel is a readymade from marcel duchamp consisting of a bicycle fork with front wheel mounted upside down on a wooden stool. In 1913 at his paris studio duchamp mounted the bicycle wheel upside down onto a stool spinning it occasionally just to watch it. Hi hart the internal width of the dm18 is 17 9 18mm. When a 2 wide tyre is mounted on such rim the outer diameter of such wheel with inflated tyre is around 660 mm.
Later he denied that its creation was purposeful though it has come to be known as the first of his readymades.