PASS QUEST SPRILL R9200 R8100 R7100 3mm offset (4-bolt AERO) Round Narrow Wide Chainring

Model 40T or 42T or 44T or 46T or 48T or 50T or 52T or 54T or 56T or 58T  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) R9200 8100 7100 7170 Weight, grams 64 (40T), 73 (42T), 90 (44T), 102 (46T), 113 (48T), 125 (50T), 139(52T), 159 (54T), 172 (56T), 188(58T) Chain compatibility Support 9/10/11/12 speed Ordinary chain Titanium screws are available in black, silver and colorful colors, please note the 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