Wolf Tooth Elliptical Direct Mount Chainring - 30t SRAM 3-Bolt Direct Mount Drop-Stop A For SRAM Cranksets 6mm Offset BLK MFPN=BX-CO21HTI13-RB 0 MIPS is virtually perfectly Boot Size:41.5

Wolf Tooth Elliptical Direct Mount Chainring 30t SRAM 3 Bolt Direct Mount Drop Stop A For SRAM Cranksets 6mm Offset BLK MFPN=BX CO21HTI13 RB 0 MIPS is virtually perfectly Boot Size:41.5 0 MIPS is virtually perfectly for the demands of mountain bikers Range 11 42 Cogs 11 13 15 18 21 24 28 34 42 Cassette Body Type Shimano HG Drivetrain Speeds 9 Color Black Weight 446 Defined Color Black Gear Range 11 42T Material Alloy Large Cog Its proprietary design has an ovality of 10% and a timing of 112 degrees after top dead center which provide the beneifits of an oval ring such as greater rear wheel traction without the traditional downsides of oval rings Use of a clutch style rear derailleur is recommended Tooth Count 30 Drivetrain Speeds 9 Round or Oval Oval Offset 6 Material Aluminum Color Black Defined Color Black Direct Mount Type Direct Mount SRAM 3 Bolt