Chromag Sequence GXP Direct Mount MTB Chain RingThe Sequence chainring uses the official X-SYNC technology licensed from SRAM for unmatched chain retention. Chromag is the only MTB company officially authorised to produce chainrings with the X-SYNC technology. So now, no matter what kind of mountain bike you have, you can have the peace of mind that your chain will stay put, and you can give your bike a little extra flair with the timeless Chromag styling.Features: Material: 7075-T6 aluminium Offset: 6mm Official SRAM X-SYNC technology: Complies with SRAM warranty standards for compatibility with all SRAM X-SYNC drivetrain Used with: SRAM cranks with direct mount spider - using GXP BB Common Compatibilities: XX1, X01, X9, X7, S2210, S1400 Chamfered mud-clearing recesses at the base of the teeth provide the best possible performance in muddy conditions CNC Machined from 7075T6 aluminium for the best durability Anodised Black with laser etch CNC machined in Whistler, BCBuy Chromag Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.