Keiser Fitness Computer Console Calibration Tool - Works with Keiser M3, M3+, & M3i, M3Xi Indoor CyclesKEISER INDOOR CYCLE CALIBRATION TOOL - M3, M3+, M3i, M3Xi Specs: RED CALIBRATION TOOL FOR COMPUTER VERSION 406, KEISER M3 Works with M3, M3+, M3i, & M3Xi Features of Keiser Fitness Computer Console Calibration Tool - Works with Keiser M3, M3+, & ..