SRAM RIVAL 107BCD Round AERO Narrow Wide Chainring

Model 36T or 38T or 40T or 42T or 44T or 46T or 48T or 50T or 52T  Colour Black Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Chainring shape Round Compatible cranksets 107 BCD (4-bolt)  SRAM RIVAL Weight, grams 88g (42T), 98g (44T), 110g (46T),118g  (48T), 130g (50T), 139g (52T),163g (54T),178g (56T),186g (58T) Chain compatibility Standard 9/10/11/12 speed is available, sram axs    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