SRAM 3 Bolt (0mm offset) Round Hollow Narrow Wide Chainring 30-48T Size:Silver/30T This chainring is exclusively designed

This chainring is exclusively designed for the SRM9 power meter

we have incorporated an extensive hollowed-out design

grams  46g (28T)

7075-T651 Aluminum Alloy

142g (50T)

SRAM 3 Bolt (0mm offset) Round Hollow Narrow Wide Chainring 30-48T Size:Silver/30T This chainring is exclusively designedModel 30T or 32T or 34T or 36T or 38T or 40T or 42T or 44T or 46T or 48T Colour Black Silver Made from 7075 T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Offset 0 mm Chainring shape ROUND Compatible cranksets SRAM X9, X1, NX, GX, X0, X01, XX1, X01 Eagle, XX1 Eagle Weight, grams 51 (30T), 53 (32T), 62 (34T), 69(36T), 74 (38T), 81 (40T), 87 (42T), 100 (44T), 108 (46T), 115 (48T) Chain compatibility Support 9 10 11 12 speed ordinary