ETRTO-standaard: 37-559/40-559/42-559/44-559/47-559/50-559/
54-559/57-559, maten in inch: 26 x 1.5/26 x 1.6/26 x1.625/
26x1.75/26x1.85/26x1.9/26x1.95/26x2.0/26x2.1,
ventiellengte: 35 mm, model: medium.