Key features

• •CNC precision machining and anodic oxidation electroplating, keep smooth surface, bright color, not faded and corrosion resistance.
• •Through the modification single speed chainrings, reduced the transmission system greatly ,completely abandoned the complex variable speed system,reduce the bike weight , looks more compact and simple, and also greatly improve your speed.
• •The narrow wide tooth design, increasing the contact area with the chain greatly, so that each of the teeth can be fully inserted into the chain, increase the grasp force, make you no longer worried about the chain dorpped, easy to pass through the bumpy road.
• •Suitable for most of SHIMANO and SRAM cranksets. Please determine your crank BCD specification carefully before buying.