High end agile components the ism4d machining makes the wheel lighter without compromising on strength whilst the 25mm internal width rim with hookless profile further improves strength simple and reliable construction 24 straight pull bladed and double butted spokes on front and rear tubeless tape on wheels the lightest and simplest way to get the tubeless benefits such as better traction comfort and reduced risk of flats the right link the light and strong single ply casing with guard p