Easton ea70 xl mtb wheelseteaston believes that 20 is a magic number so thats the internal rim width of their easton ea70 xl mtb wheelset which they believe is perfect for all round trail riding unsurprisingly these wheels are light fast and strong eastons ea70 xl front wheel rolls on their brand new x4 hubset whilst the rear wheel has their x2 hubset these hubs utilise sealed cartridge bearings and are laced with extra stiff straight pull straight gauge spokes like most wheels in th