Tacx E-Thru Trainer Axles for Classic Trainers M12 x 1.75 CheckoutSpec= Dropout #685 Raw aluminum finish on the

Raw aluminum finish on the X-SYNC 2 chainring teeth – to keep looking fresh throughout its long lifespan

Chainring is compatible with only TQ Motor drive systems

For Roadbike

Rings 32Number of Chainrings Chain Retaining SingleDrivetrain Speeds 12Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 141/148 Boost HubsColor Black/SilverCrank Length (mm) 160Crank Intended Use MountainBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Black

Best for Classic

Tacx E-Thru Trainer Axles for Classic Trainers M12 x 1.75 CheckoutSpec= Dropout #685 Raw aluminum finish on theSuitable 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