Top load stem, 6 bolt stem. 6061 T-6 alloy. 52mm reach. Recess allowing for the fork compression bolt to sink flush for a clean look.Rounded back that stays out of the way of your knees. Internally relieved and slotted top to bottom (stronger than side to side). Additional clamping area for slip-free bars. Colors: Flat Black, flat white, anodized blue, anodized purple, anodized orange, anodized aqua green, anodized gold, anodized red and high polished. Weight: 249g (8.78 oz)