Wolf Tooth SRAM Elliptical Chainring 34t Direct Mount 10/11/12-Spd Aluminum Blk

Designed to fit SRAM cranksets with removeable 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.The simplest way to explain the way these rings feel is having 2 teeth less in the weak part of your pedal stroke and 2 teeth more where you have the most power. 50mm Chainline for optimal rear shifting. Features Wolf Tooth's Drop-Stop tooth design for maximum chain retention. Made from 7075 Aluminum for long life. Can also be used on long spindled BB30/PF30 cranksets. Not compatible with 9 speed chains. Compatible with S2200, S2210, X9,XO,XO1,XX1,X1 1400 Cranks. Optimized for use with 10, 11, and 12 speed chains. Item Specifications-Direct Mount Type:Direct Mount SRAM-Tooth Count:34-Drivetrain Speeds:10,11,12-Defined Color:Black-Material:Aluminum-Ring Position/Type:Chain Retaining Single Ring-Round or Oval:Oval-Offset:3-Chainline/Hub Compatibility:141/148 Boost Hubs:::::::