Enjcyling Narrow Wide Single Chainring 104BCD CNC Alloy 4 Bolts Round Oval Opition 104mm BCD 32/34/36/38/40/42/44/46/48/50/52T 1X System Chain Ring for 7-12S Speed Chains (Red Round, 40T)

• CHAINRING: This is 104BCD narrow wide single chainring. Bolt center diameter: 104 mm. Plate thickness: 4mm(30T: 8mm). Round chainring & Oval chainring 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: 1X Chainring, 4pcs Bolts, Magic Scarf(Random Pattern).