Tacx E-Thru Trainer Axles for Classic Trainers M12 x 1.75 CheckoutSpec= Dropout #685 Saddle Weight 143g Saddle Cover

Saddle Weight 143g Saddle Cover Material Fibra-Tek Color Black Rail Material Carbon/Ceramic Saddle Dimensions 264 x 125mm Cut Out No Primary Color Black

Accessing the shock via the bottom bracket area is facilitated through a hatch

Chainring is compatible with only TQ Motor drive systems

For Roadbike

Tacx E-Thru Trainer Axles for Classic Trainers M12 x 1.75 CheckoutSpec= Dropout #685 Saddle Weight 143g Saddle CoverSuitable for Tacx trainers with rear wheel drive only 01: T1706 E Thru trainer axle M10x1, with metric fine thread. For hubs with axle skewer attachment 135? 10mm: various Swiss and Shimano. Length: 162. 5mm 02: T1707 E Thru trainer axle M12x1, with metric fine thread. For hubs with axle skewer attachment 142? 12mm: 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