Kore rivera wheelsetstarting in california back in 1991 kore gained a name for making solid reliable products and word quickly spread around the world since that time they have provided cutting edge products for riders at all levels and have been lucky enough to work with world class athletes the world over features 26 dual pinned al6066 t6 rivera rims kore stainless butted spokes with alloy nipples torsion sealed bearing iso 6 bolt rear disc hub and non disc front alloy sealed bearing cass