【Adapter Type】: This cycle exercise axle is designed to replace the rear wheel axle connection so your bike can mount securely to an indoor exercise.
12mm Exercise Axle Adapter Easy to Install for Indoor Training
MTB Road Bike Front Wheel 15Mm to 9MM QR Skewers 15Mm to 12Mm Thru Axle Adapter
CNC Bike 15Mm to 12Mm & 12Mm to 9Mm Thru Axle Adapter, Front Wheel Hub Thru Axle
Bike Hub Thru Axle Adapter 100×15MM to 100×12MM Front Thru Axle Adapter
