RACE FACE (3mm offset ) AERO Round Narrow Wide Chainring 40-56T

Model 40T or 42T or 44T or 46T or 48T or 50T or 52T or 54T or 56T Colour Black and Silver Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Chainring shape Round Compatible cranksets RACEFACE direct mount Weight, grams 112g (40T),120g (42T), 124g (44T), 144g (46T), 157g (48T)，165g (50T)，168g (52T)，180g (54T)，184g (56T) Offset 3mm Chain compatibility Standard or 9/10/11/12 speed   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