Tacx E-Thru Trainer Axles for Classic Trainers M12 x 1 MFPN=20997 The redesigned air spring offers

The redesigned air spring offers increased air volume for better traction and suppleness

} Lug pattern designed to give greater progressiveness

Stiff 4-piston caliper with best heat management and easier bolt access

Other attributes include two pockets

}The Hammerhead Karoo cycling computer represents the pinnacle of innovation

Tacx E-Thru Trainer Axles for Classic Trainers M12 x 1 MFPN=20997 The redesigned air spring offersSuitable 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