The Sequence chainring uses the official X-SYNC technology licensed exclusively to Chromag by SRAM for unmatched chain retention. No matter what kind of mountain bike you have, you can have the peace of mind that your chain will stay put!. Give your bike a little extra flair with the timeless Chromag styling. Complies with SRAM warranty standards for compatibility with all SRAM X-SYNC drivetrain. Chamfered mud-clearing recesses at the base of the teeth provide the best possible performance in muddy conditions. Anodized Black with laser etch, CNC machined in Whistler, BC from 775-T6 aluminum for the best durability. Available for 104, 94, 74 BCD crank spider patterns and direct mount options. The Sequence Chainring Uses The Official X-Sync Technology Licensed Exclusively To Chromag By Sram F Give Your Bike A Little Extra Flair With The Timeless Chromag Styling Complies With Sram Warranty Standards For Compatibility With All Sram X-Sync Drivetrain Chamfered Mud-Clearing Recesses At The Base Of The Teeth Provide The Best Possible Performance In Mu Available for 104, 94, 74 BCD crank spider patterns and direct mount options.