This Garmin Tacx E-Thru 12mm axle with 1.5mm metric medium thread replaces the standard trainer axle and accommodates mountain bikes with 142 x 12mm rear axles, and an external frame width of 162.5mm max, such as Shimano SM-AX65, SM-AX75, SM-AX76, and SM-AX78. Please determine your bikes rear axle thread, as Garmin offers various Tacx trainer axles with thread ranging from 1mm fine to 1.75mm standard course. Suitable for the following Garmin Tacx trainers with rear wheel drive : Genius IRONMAN Bushido Vortex Flow Satori Booster Blue Motion Blue Matic Blue Twist Specifications: Axle Size: 142 x 12mm Thread Size: 12 x 1.5mm Length: 162.5mm
