SHIMANO X110BCD (4-bolt AERO) Round Narrow Wide Chainring

Model 36T or 38T or 40T or 42T or 44T or 46T or 48T or 50T or 52T or 54T or 56T or 58T or 60T  Colour Black or Silver Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Timing 108° after TDC (top dead center) Chainring shape Round  Compatible cranksets  SHIMANO 110 BCD (4-bolt AERO)  4700 5800 6800 9000 Weight, grams 59(36T), 68 (38T), 77 (40T), 91 (42T), 106 (44T), 116 (46T), 132 (48T), 139 (50T), 152(52T), 158 (54T), 171 (56T), 193 (58T),203 (60T) Chain compatibility Support 9/10/11/12 speed Ordinary chain 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