120BCD Round Mountain Bike Chain Wheel Crankset Narrow Wide Chainring

Model 36T or 38T or 40T or 42T or 44T or 46T or 48T Colour Black Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Chainring shape Round Compatible cranksets 120 BCD (4-bolt)  SRAM  Weight, grams 52 (36T), 60 (38T), 70 (40T), 71 (42T), 80 (44T), 90 (46T), 120 (48T), 125 (50T), 135 (52T) Chain compatibility Standard 9/10/11/12   Support paying an extra $10 to customize the same silver color Bicycle shop or dealer contact customer service PASS QUEST NARROW WIDE CHAINRING Our tooth height achieved 8.5 mm, Increased tooth height improves chain retention  Manufactured using 7075-T651 highly durable aluminum alloy The chamfering design can reduce the weight of the gear plate and make the gear plate more beautiful