01: T1706 e-thru trainer axle M10x1, with metric fine thread. Suitable for hubs with axle skewer attachment 135x10 mm: various Swiss and Shimano. Length: 162.5mm 02: T1707 e-thru trainer axle M12x1, with metric fine thread. Suitable for hubs with axle skewer attachment 142x12 mm: various dt Swiss and Shimano. Length: 162.5mm 03: T1709 e-thru adapter x-12 (> 142 mm) 04: T1711 e-thru trainer axle M12x1, with metric fine thread. Suitable for hubs with axle skewer attachment 142x12 mm: dt Swiss rows axle skewer (conical and flat), Syntace x-12 system (specialized) and various Shimano. Length: 175mm 05: T1710 e-thru trainer axle M12x1.5, with medium thread. Suitable for hubs with axle skewer attachment 142x12 including Shimano sm-ax65, sm-ax75, sm-ax76 and sm-ax78. Length: 162.5mm 06: T1708 e-thru trainer axle M12x1.75, with standard threaded cartridge. Suitable for hubs with a Maple axle skewer attachment 135x12, 142x12, 150x12 mm and trek abp 142x1. Length: 179.5mm