This front derailleur is made of aluminum alloy? durable to use. It is compatible with 44 teeth chainring and suitable for 34.9mm tube.<br /><br />Features:<br />Compatible with 44 teeth chainring.<br />34.9mm easy access clamp.<br />Made of aluminum alloy? durable to use.<br />For road bike.<br /><br />Specifications:<br />Material: Aluminum alloy<br />For Chainring: 44 teeth<br />Clamp Diameter: 34.9mm / 13.7in<br />Item Size: 11 * 7.5cm / 4.3 * 3in<br />Item Weight: 166g / 5.9oz<br />Package Size: 10 * 8.5 * 4.5cm / 3.9 * 3.3 * 1.8in<br />Package Weight: 171g / 6oz<br /><br />Package List:<br />1 * Bicycle Front Derailleur<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-rVGz.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-SnTg.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-n2AK.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-GAPQ.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-eifR.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-xJLi.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-9PoU.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-L0ox.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-aeE2.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-I13g.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-RHCB.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-eyVt.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/Y/8/Y4198/Y4198-1-8d07-yTlt.jpg" /><br>