Enjcyling 110BCD Single Chainring, Second Generation Narrow Wide Technology, 110mm BCD Full Alloy CNC 4-Bolts 42T, for 7/8/9/10/11/12 Speed

• CHAINRING: This is 110BCD narrow wide single chainring. Bolt center diameter: 110mm. Plate thickness: 4mm. 4-Bolts & 5-Bolts is available option. MATERIAL: CNC machined 7075 aluminum alloy. Light weight with great strength and high performance. CNC high speed engraving and milling hard oxidation treatment, in order to let you enjoy the ride, it is important to choose the quality. SAFE EFFLCIENT DESIGN: Chainring is made of alloy structure, lightweight but sturdy. With positive and negative (The positive tooth corresponding chian tooth width. tooth corresponding negative chain is narow ), teeth designed to prevent the chain from dropping. WARRANTY: If for any reason you are not completely satisfied with the purchase you have made, Or any quality issues within 1 year. do not hesitate to email us, we will do our best to make it right for you as soon as possible. Or you only have to return the product for a full refund. PACKAGE: Chainring, Bolts, Magic Scarf(Random Pattern).