Kore rivera mtb stemkore started out in the bicycle industry in the late 80s as a contract manufacturer of bicycle parts in california it now has many years of experience in providing top end bike components to keep you comfortable and confident on the trail whilst riding the latest reliable technology featuresal6061 t6 3d forgedcnc centre bore to reduce weightcross clamp steerer boltszero degree rise42 5mm extension318 bar bore 1 18 steerer clamp 36mm stack heightlaser logosweight 182