CYSKY Chain Guide 30 40T MTB Direct Mount Chainring Guard Perfect for Most Bicycle Road Bike Mountain BMX Fixie (ISCG 05)

Suit for narrow-wide 30~40T chainring(round chainring), 30~38T chainring(oval chainring), Adjustable design Include M6-10 Screws, M5-08 Screws, M5-05 Screws, 8 pcs M6 Spacers, 6 pcs M5 Spacers Never drop a chain ever again and double your narrow wide chain ring life. ISCG05 hole distance: 55.9mm Support specification: ISCG 05. High-strength material, wear and resistance to deformation Note: The Spacers is used to adjust the distance of the top part like the picture, Not used with bolts