Full CNC one-piece molding, aluminum alloy full CNC process, strong rigidity, high hardness, stable structure, no deformation under severe stepping, greatly improving durability. 94+96BCD disc shape, single disc system makes it unnecessary to install front pull out, left finger, medium and large discs, part of the wire tube, light weight. Anti-drop chain positive and negative tooth design, one positive and one negative tooth arrangement, make the chain and tooth shape more fit, effectively reduce the chain jitter, and maintain the severe working state to keep the chain from falling. Compatible with M4000 Haomeng and other cranksets, the is anodized and hardened, with strong wear resistance and no rust; design. Cool appearance, is a good helper for your riding modification. Installation Notes: 1. The BCD of the toothed plate is 94/96. The friend who purchased it carefully determines that his crank is 96BCD or 94BCD (the diameter of the circle formed by the center points of the four disc nail holes is 96 mm or 94 mm), don't make a mistake , otherwise it will not be installed. 2. The screw holes of this type of chainring are designed without sinking grooves. The screw can directly use the three-disk and two-disk screws of the chainring to be modified, and there is no need to purchase a single-disk screw. Specifications: 94+96BCD Number of teeth: 34T Outer diameter: 144mm Net weight: 53g color:Black Material:Aluminum alloy Package Contents: 1 x tooth plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.