October Mountain Sektor ILF Right Hand Riser - Build a premium bow to your desired specifications. Start with the Sektor ILF Riser — carved from a premium blend of zebrawood and phenolic composite that is 3/64in cut past center, with a crowned arrow shelf at 17in in length. The Sektor ILF riser provides the broadest range of customization and tune-ability with its compatibility of vast ILF limb assortments, lateral limb alignment and tiller adjustability. To complete the set up, pair with our precision-crafted Reaper Limbs. 17in riser Zebrawood and phenolic construction makes the bow stronger 3/64in cut past center Crowned arrow shelve International limb fittings Lateral limb alignment Weight/tiller adjustment