Features: <br />Gopro camera can be mounted on rails such as Bicycle stand,Bumpers, ski / surfboard racks as long as the diameter iswithin 3.5cm-6.35cm ( 1.4&quot; to 2.5&quot; ).<br />Suitable For: Gopro HD Hero, Gopro HD Hero2, Gopro HD Hero33+, Gopro HD Hero4.<br /><br />Specifications:<br />Compatibility: For Gopro HD Hero, Gopro HD Hero2, Gopro HDHero3 3+,Gopro HD Hero4<br />Material: PC + Stainless Steel<br />Color: Black<br />Weight: Approx. 62g/ 2.2oz<br /><br />Package list:<br />1 * Roll Bar Mount<br><img src="//agdetail.image-gmkt.com/m430/991/088/827088991/img/agdetail.image-gmkt.com/991/088/827088991/img/img.tomtop.com/product/xy/2000/2000/p/gu1/D/D990/D990-2-e478.JPG.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/991/088/827088991/img/agdetail.image-gmkt.com/991/088/827088991/img/img.tomtop.com/product/xy/2000/2000/p/gu1/D/D990/D990-1-e478.JPG.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/991/088/827088991/img/agdetail.image-gmkt.com/991/088/827088991/img/img.tomtop.com/product/xy/2000/2000/p/gu1/D/D990/D990-3-e478.JPG.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/991/088/827088991/img/agdetail.image-gmkt.com/991/088/827088991/img/img.tomtop.com/product/xy/2000/2000/p/gu1/D/D990/D990-4-e478.JPG.jpg" /><br>$$<img src="//agdetail.image-gmkt.com/m430/991/088/827088991/img/agdetail.image-gmkt.com/991/088/827088991/img/img.tomtop.com/product/xy/2000/2000/p/gu1/D/D990/D990-1-e478.jpg" /><br>