RaceFace ERA Direct Mount Wide Chainring - 34t DM CINCH For Shimano 12-Speed HG+ Compatible Chain BLK Model=P Zero SmarTube Evo }Surly Big Dummy Bag BrakeCaliper

}Surly Big Dummy Bag BrakeCaliper Wear Patch

}ENVE Composites M7 Mountain Carbon 35mm - 65mm 35mm +/-0 1 1/8" Carbon Black

Shimano and combined shifter/brake levers

Tallboy V1

Drivetrain Speeds 10 Weight 140 Double or Triple Double Brake Lever Actuation Short Pull Front Der/Shifter Compatibility SRAM Yaw Color Black Adjustable Reach Yes

RaceFace ERA Direct Mount Wide Chainring - 34t DM CINCH For Shimano 12-Speed HG+ Compatible Chain BLK Model=P Zero SmarTube Evo }Surly Big Dummy Bag BrakeCaliperWide: 55mm chainline for 157mm rear spacing Stainless steel teeth provide a 500% increase in wear durability over aluminum. Carbon fiber construction reduces ring weight while improving stiffness and power transfer Direct Mount (DM) fits Race Face Cinch system splined cranks Narrow wide teeth prevent chain drop, updated tooth profile runs quieter Installs with a common Park Tool BBT 22 Shimano 12sp (SHI12) and SRAM 11 12 Shimano 11 (NW) versions 82g