ROTOR-110BCD Round AERO Narrow Wide Chainring

Model 40T or 42T or 44T or 46T or 48Tor 50T or 52T or 54T or 56Tor 58T or 60T Colour Black Material 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Chainring shape Round Compatible cranksets ROTOR ALDUH series crank  ROTOR MAS AERO SPIDER Not applicable!! Weight, grams 68g (40T), 79g (42T), 89g (44T), 99g (46T), 110g (48T), 124g (50T), 138g (52T),155g (54T), 168g (56T),181g (58T), 197g (60T) Chain compatibility Standard 9/10/11/12 speed is available  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