SRAM APEX 110BCD (4-bolt) Round Hollow Narrow Wide Chainring ROTOR The guard sits slightly higher

The guard sits slightly higher than the tips of the chainring teeth

grams 156g (46-33T)

the chain runsIn a straighter path with the cassette

94g (36T)

The SRAM 3-Bolt Chainring is made of the whole aluminumplate by CNC milling

SRAM APEX 110BCD (4-bolt) Round Hollow Narrow Wide Chainring ROTOR The guard sits slightly higherModel 36T or 38T or 40T or 42T or 44T or 46T or 48Tor 50T or 52T Colour Black Material 7075 T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Chainring shape Round Compatible cranksets 110 BCD ( SRAM APEX 4 BOLT ) Weight, grams 50g (36T), 62g (38T), 67g (40T), 76g (42T), 84g (44T), 97g (46T), 107g (48T), 123g (50T), 130g (52T) Chain compatibility Support 9 10 11 12 speed ordinary chain Support paying an extra $10 to customize the