Adaptor kit makes Elite trainers compatible with bycicles with a variety of rear wheel axle sizes

• Adaptor kit makes Elite trainers compatible with bycicles with a variety of rear wheel axle sizes
• Two sizes available: 10mm and 12mm diameter through bolts and 135x10 and 135x12 m
• Compatible with home trainers that require a fully assembled bicycle
• Not compatible with R.A.T. (rapid axle technology) system