SRAM X-SYNC 2 SL 6mm Chainring Teeth: 34 Speed: 11/12 BCD: Direct Mount Single Aluminum Black Length-300/302mm The F3 is built with

The F3 is built with shorter pressure zones to prioritize acceleration

we recommend a chainguide or chainkeeper in addition to a clutch-type rear derailleur

Steel spider

Same ergonomics and reliability of Shimano shifters and derailleurs

SRAM X-SYNC 2 SL 6mm Chainring Teeth: 34 Speed: 11/12 BCD: Direct Mount Single Aluminum Black Length-300/302mm The F3 is built withSuper light X SYNC 2 chainrings as found on XX1 DUB cranksets Compatible with all Eagle drivetrains SRAM Model ID: CR XSNC DM B1 TECH SPECS Position Single BCD Direct Mount SRAM 3 Bolt Material Aluminum Speed 11 12 Teeth 34 Narrow Wide Design X Sync 2 Chainring Comp. Offset 6mm Primary Color Black