Despite the 21 5mm wide tubeless compatible aluminum rims industry nine s new ar25 disc all road wheelset supposedly tips the scales at just 1 440g bucking the notion that wider wheels have to.
Wider road bike rims.
Of all the components that can affect the character of a bike wheels arguably have the best ability to make or break the way a bike rides.
Rims measuring 15 to 17mm across are the most common used for road bikes and accommodate tyres ranging in width from 23 to 50mm.
If your road bike was built in the last 20 years and has rim brakes it most likely has a 130mm width quick release rear axle written as 130mm qr or 130 9mm and a 100mm 100 qr or 100.
While you could fit any width tyre to any width rim it s best to find a suitable width rim to match the tyre width.
Whereas 17c stock wheel rims typically have an outside width of 21 23mm wide across their brake tracks 19c stock wheel rims typically run 25 27mm outside widths.
On a wider rim tyre combo getting to bike over on an angle to corner fast is a more natural dynamic affair supported by more rubber on the road on a tyre that has a very constant u shape.
The ctc recommends the ideal relationship between a rim and tyre as being about 1 8 times.