Great for the mountain bike lovers.<br /><br />Features:<br />Iron material? durable and useful.<br />You can ride freely with the product.<br />Suitable for most of mountain bikes.<br /><br />Specifications:<br />Material: Iron<br />Color: Brown<br />Cog: 18<br />Inner Diameter: 35mm / 1.38in<br />Outer Diameter: 55mm / 2.17in<br />Item Weight: 166g / 5.82oz<br />Package Size: 17.5 * 15 * 2cm / 6.89 * 5.91 * 0.79in<br />Package Weight: 169g / 5.95oz<br /><br />Package List:<br />1 * Single Speed Freewheel<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/Y0424/Y0424-1-86f0.JPG" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/Y0424/Y0424-5-86f0.JPG" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/Y0424/Y0424-3-86f0.JPG" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/Y0424/Y0424-7-86f0.JPG" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/Y0424/Y0424-9-86f0.JPG" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/Y0424/Y0424-8-86f0.JPG" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/Y0424/Y0424-2-86f0.JPG" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/Y0424/Y0424-4-86f0.JPG" /><br>