Maxis Minion duff 26 x 2.8 60 TPI folding dual compound exon/ TR tyre The Taiwanese tire manufacturer Maxxis, part of the CST Group, is the world's largest and technologically leading producer of bicycle tires. Since 1967 Maxxis has continuously pursued its development in tire technology as well as the production of tires. The result: The perfect tires for the most varied requirements from trekking and touring via road bike to downhill, cross country, freeride or BMX.