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With the advent of an elliptical shape the X-Sync 2 Eagle 12-Speed Direct Mount Oval Boost Chainring is the avatar of all things cutting edge in SRAM’s off-road catalog. It combines the simplicity of one-by compatibility with Eagle’s knee-saving bailout cog and the chainline required for Boost rear spacing with the increased traction and efficiency of an ovalized chainring. As with the round counterpart each tooth is CNC-machined to support the chain’s inner- and outer-link widths providing a variable thickness from tooth to tooth so the chain and chainring effectively lock together as you pedal while also clearing mud and other debris. It also features the updated X-Sync 2 tooth profile. Where the original X-Sync teeth took on a boxy shape X-Sync 2 is narrower to accommodate the 12-speed Eagle chain and features teeth that more closely resemble those of a shark. Boasting aggressive profiling these teeth hold the chain securely in place like a shark’s tooth digging into something. The key difference being of course that the Eagle chain is designed to accommodate the ring’s teeth while chances are good that a real shark’s teeth will cause some prettyerrdire compatibility issues with whatever they happen to get a hold of. The benefits of this new profile aren’t just limited to its chain retention ability or providing an opportunity for us to write gratuitously about sharks. It mimics the wear profile seen in the original X-Sync teeth for increased durability and it also features edge shaping to help prevent chain suck over time. The direct-mount interface makes swapping rings a breeze giving quick flexibility to adapt to different shapes of terrain.
- Technology X-SYNC 2.
- Material: Aluminium.
- 12-Sp.