Kore aerox 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 features purpose xc cross country material forged aluminum takeaway brand al6061 t6 rise 6 degrees length 70mm 80mm 90mm and 100mm color black weight 135g100mm suitable for stee