Package Dimensions:27 x 3 x 3 cm 1. Adjustable Length: This bike trainer shaft adopts 2 section design, and the length can be easily adjusted from 142mm to 148mm. 2. Aluminum Alloy: This bike trainer axle is made of reliable aluminium alloy material, and CNC machining ensures high strength and accuracy. 3. Widely Compatible: This bike trainer thru axle is widely compatible with most indoor cycling trainer. 4. Winter Riding: This bike rear trainer thru axle allows you to continue riding your outdoor bike inside all winter long. 5. Easy Installation: This bike trainer axle shaft can be easily assembled and detached, saving your time and effort. Spec: Item Type: Bike Trainer Shaft Material: Aluminium Alloy Package List: 1 xBike Trainer Shaft 1 x Wrench Widely Compatible: This bike trainer thru axle is widely compatible with most indoor cycling trainer. This bike trainer axle shaft can be easily assembled and detached, saving your time and effort. Adjustable Length: This bike trainer shaft adopts 2 section design, and the length can be easily adjusted from 142mm to 148mm. This bike trainer axle is made of reliable aluminium alloy material, and CNC machining ensures high strength and accuracy. Winter Riding: This bike rear trainer thru axle allows you to continue riding your outdoor bike inside all winter long. Exclusive Design For Trainer : This skewer is a replacement rear wheel skewer and profiled for indoor bike trainer to secure rear wheel perfectly into the trainer clamps. It's compatible with most trainers on the market. Long Lasting And Sturdy Material Made with highest quality Alloy which is known for its high levels of hardness, sturdiness, and corrosion-resistance. This top notch bike trainer skewer will last for a long time without needing replacement. Widely Compatible: This bike trainer thru axle is widely compatible with most indoor cycling trainer. This bike trainer axle shaft can be easily assembled and detached, saving your time and effort. Adjustable Length: This bike trainer shaft adopts 2 section design, and the length can be easily adjusted from 142mm to 148mm. This bike trainer axle is made of reliable aluminium alloy material, and CNC machining ensures high strength and accuracy. Winter Riding: This bike rear trainer thru axle allows you to continue riding your outdoor bike inside all winter long. Exclusive Design For Trainer : This skewer is a replacement rear wheel skewer and profiled for indoor bike trainer to secure rear wheel perfectly into the trainer clamps. It's compatible with most trainers on the market. Long Lasting And Sturdy Material Made with highest quality Alloy which is known for its high levels of hardness, sturdiness, and corrosion-resistance. This top notch bike trainer skewer will last for a long time without needing replacement.