MiOYOOW 50/52/54/56/58T Bicycle Chain-Ring, Ultra-Light Narrow Wide Single Chain-Ring for 9/10/11 Speed Chain

• 【Aluminum Alloy】: The positive and negative gear discs are processed by CNC numerical control, and the high-strength aluminum alloy is cut and formed.
• 【Lightweight】: The bicycle chainring adopts a fully hollow and lightweight design, which can easily pass through bumpy roads.
• 【Positive Negative Tooth】: The design of the positive and negative teeth is not easy to drop the chain, and the arc transition between the positive and negative teeth connects to avoid sediment accumulation.
• 【Widely Applicable】: The bicycle chain circle has high axial strength and strong compatibility, suitable for most mountain bikes and road bikes, suitable for 9/10/11 speed chains.
• 【After-Sale Service】: Thanks for your purchase. If you have any problem , please contact us any time. We promise you the solutions within 24 hours.

Features: Positive and negative tooth design is not easy to drop the chain The arc transition between the positive tooth and the negative tooth connection position prevents sediment accumulation Specifications: 50T 52T 54T 56T 58T Fully hollowed-out ultra-light positive and negative chainrings BCD: 130mm adjacent hole spacing is 76.4mm Material: AL7075 aluminum alloy Colour: Black Diameter: 208mm 216mm 224mm 231mm 242mm Package List: 1 x Positive and negative chainrings Note: 1.Please allow 1-2cm measuring deviation due to manual measurement. 2.Due to the different monitor and light effect, the actual color of the item might be slight different from the color shown on the pictures. Please Understand, Thanks!