Features：<br> 1、Compatible for M4050 M590 M610 SLX XT XTR and more.<br> 2、Aluminum alloy construction is corrosion resistant, solid and durable.<br> 3、Easy to install and tighten it only if you make sure the thread in alignment.<br> 4、Widely applied for various bikes.<br> 5、Wonderful part for replacing the old ones.<br> Specification：<br> Features:<br> Compatible for M4050 M590 M610 SLX XT XTR and more.<br> Aluminum alloy construction is corrosion resistant, solid and durable.<br> Easy to install and tighten it only if you make sure the thread in alignment.<br> Widely applied for various bikes.<br> Wonderful part for replacing the old ones.<br> Specification:<br> <br> Material: Aluminum Alloy<br> Color: Black, Silver(<br> Optional<br> )<br> Compatibility: for M4050 M590 M610 SLX XT XTR and more<br> Center to center Distance: Approx. 170mm / 6.7in<br> Whole Dimensions( L * W): Approx. 22 * 4.5 * 3cm / 8.7 * 1.8 * 1.2in<br> Weight: Approx. 266 - 271g<br> Packing List:<br> 1 x Bike Crank Arm<br> Note:<br> Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.<br> Package List：