Sturdy Material:This bike trainer thru axle skewer is made of sturdy and practical material, ensuring long-lasting and reliable use. Adjustable Width:Equipped with spacers of different thicknesses, this skewer allows for easy width adjustment, making it suitable for bicycles with different rear axle widths. Suitable for Indoor Sports:Specifically designed for indoor sports, this bike trainer thru axle skewer is perfect for indoor cycling activities. Compatibility:Designed to fit rear axles with a width of , from types,P1.75 providing a secure and stable connection for your bicycle. Color: Black Material: Aluminum Alloy Package Contents: 1 x Bike Trainer Thru Axle Skewer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.