Arc Systeme O Block - Mid Riser Mount

CENTRAL KNEECAP MOUNT ONLY - O BLOCK. A unique instrument in the world, beautiful, complete, easy, fun, efficient and... French. Adjust the balance and verticality of your bow, your stabs setup, without a wrench. Control the kneecap tightening. Make your stabs fixed, or movable. Depending on the conditions or your mood of the day, adjust angles to arm strength. 7075 aluminium, robust, noble. Stainless steel, calibrated and polished. Universal fits all stabs. Mid-riser assembly version. Central bar adjustable from 0 to -15 degrees in height, +/- 5 degrees in offset.