TA-50 This is universal mounting kit. The kit includes multiple brackets and adjustable dowel pin lengths - for both front and rear Transceivers. The adapters are designed for installation on existing hardware. No drilling or modification should be neccessary. Rear adapters include 'L' shape and 'U' shape brackets Front adapter is a saddle-mount fork-tube attachment Multiple lengths of the 5mm stainless steel dowel pins are included. They allow the Transceivers to be mounted - facing the wheel. A nominal air gap of 1/2" (12mm) or less allows the short range communication between the Transceiver and the Wheel Sensor. Each adapter includes detailed step-by-step instructions.