【Precision Thread Specs】M12x1.75 thru axle (12mm diameter, 1.75mm pitch) with 160-178mm adjustable shaft length（Can be shortened with the supplied spacer）; Verify original axle dimensions before installation.
【Product includes】4 spacers and a straight shaft adapter with a shaft length of 160-178mm. 1 x 6mm tapered spacer, 1 x 2.5mm straight spacer, 2 x 6mm straight spacers, the length can be adjusted with the included spacers to fit your bike.
【OEM Replacement】Use kelingsi M12 thru axle adapter to replace your original thru axle. You can easily connect the bicycle trailer coupling to your bicycle.
【Widely Applied】The left side adapter has a diameter of 9.5mm, which is suitable for most bike trailer hitch.
【Hybrid Material Build】High-strength 6061-T6 aluminum shaft paired with 304 stainless steel coupler ; Salt-spray tested for 500hr corrosion resistance.
