<b>Specification:</b><br><br> Speed: 6/7 <br> Mount type: Direct mount<br> Low sprocket_Max: 34T<br> Low sprocket_Min: 28T<br>High sprocket_Max:14T<br> High sprocket_Min: 11T<br>The difference between the max and min sprocket teeth: 20T<br> Pulley_Teeth: 13T<br> Pulley cage: Long cage (SGS)<br>Total capacity: 43T<br>Compatible chain: HG-UG 7/6 speed<br><br> <b>Rear Derailleur Tutorial:</b><br> 1. Completely loose the rear shift line, the chain hanging in the flywheel after the smallest teeth, turn the crankset.<br> 2. If the chain always goes outside the flywheel, clockwise twist the H screw slowly; if the chain goes to the second flywheel, relax the rear derailleur H screw counterclockwise.<br> 3. The second step, close the rear shift line, you can directly adjust the rear shift line, and at the same time turn the crankset.<br> If the chain goes out of the flywheel to the direction of the spokes,clockwise twist the L screw slowly, until to the maximum flywheel and not fall chain as the standard.<br> If the hand can not adjust the rear shift line be on the largest piece of gear of flywheel,then counterclockwise release the L screws slowly.<br><br> Cycling is a great outdoor sport for your health, the bicycle parts need to be guaranteed.