Wolf Tooth Elliptical Direct Mount Chainring - 42t, SRAM Direct Mount, 6mm Offset, Drop-Stop, Flattop Compatible, Black

.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; height: auto; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }Designed to fit SRAM cranksets with removable spiders. 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. Compatible with 12-speed SRAM Flattop chain Elliptical rings provide smoother, more efficient pedal rotation, which means better traction Drop-Stop chainrings are designed for use with 1x9, 1x10, 1x11 and 1x12 drivetrains Compatible with all 10-, 11-, and 12-speed chains, with the exception of Shimano 12-speed chains Shimano 12-speed chains require the use of Wolf Tooth's Shimano 12-speed specific chainrings If using a 9-speed drivetrain, use a 10-speed chain, which will provide a tighter fit for better chain retention Not compatible with the SRAM RED and Force AXS 8-bolt interface Made from 7075-T6 aluminum for long life Use of a clutch-style rear derailleur is recommended Item Specifications Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Chainline/Hub Compatibility 170/177 Hubs Defined Color Black Direct Mount Type Direct Mount SRAM Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Drivetrain Speeds 9 Material Aluminum Offset 6 Ring Position/Type Chain Retaining Single Ring Round or Oval Oval Tooth Count 42 Wolf Tooth PowerTrac Elliptical SRAM 3-Bolt Direct Mount Chainrings Direct Mount Chainrings UPC: 810006801194