Spare parts and accessories Joint with bearing for bipod TK3 and TK4 kloubcom Replacement Part for Tactical EVO Bipod Models TK3 and TK4 - Joint with Bearing and Weaver Rail. The joint with a bearing allows for perfect locking of the bipod, while also offering the ability to adjust the lever so that the lock can be smoothly overridden. The pressure required for tilting can be easily adjusted using the locking lever. Additionally,... View