Pyorailytarvikkeet ROSE | Tacx Axle Nuts 3/8″ For Roller Trainers Shimano Nexus/Alfine Solid Axle

These Special Axle Nuts With 3/8″ Thread Are Required To Fix Bicycles Without Quick-Release Axle Into The Rear Wheel Support System Of A Tacx® Roller Trainer. Their Round Nut Heads Make Sure They Fit Perfectly. This Allows You To Safely Mount E.G. Singlespeed Bikes With A Solid Axle Or Other Bikes With A Compatible Nexus Or Alfine Gear Hub And Without Quick Release On Tacx Rollers.