EVOSID Gravel Road Bike 3-Bolt Chainring Narrow Wide Teeth 0mm Offset 40T-56T Round Disc 8-13 Speed Chain Solid Disc

Compatibility : Good for Gravel and Road bike and Foldable bicycle. Not works with MTB. As offset different.Fit for crank: 3-Bolt CrankFor round chainring, during installation that the chainring must be rotated until it reaches the appropriate position of crank hole.Try rotate the relative position between chainring and crank when you installation it. all the fail installation is because user not rotate the chainring. it is not because of EVOSID product design issue or manufacturer issue. rotate it can solve all the problems.do ignore the bad star reviews. the reason of they fail is because those users not try to rotate it.You can trust EVOSID products all the time.Color: Black, SilverSpeed: 8-13 speed chainOffset: 0mmCNC process prisicion: 0.03mmPackage Contents:1 x bike chainringFeatures:EVOSID workshop new design narrow wide tooth, enhanced anti chain drop, enhanced self clean from soil dirty and less noise.Advantages:1 Material:High strength Aluminum 7075-T651, . Offer best stiffness and endurance.2 High precision CNC equipment from Taiwan and Germany. Processing accuracy 0.03mm. Ensure offers you the best riding component.Tooth / Weight(g)40 T , 107 g42 T , 116 g44 T , 139 g46 T , 149 g48 T , 160 g50 T , 171 g52T , 191 g54 T , 201 g56 T , 225 g