e*thirteen Helix R Chainring - 30t 11/12-Speed 52/55mm Flip Flop CL 3.5mm Offset e*thirteen DM BLK MFPN=11808 Tooth Count 30Drivetrain Speeds 12Round

Tooth Count 30Drivetrain Speeds 12Round or Oval RoundOffset 3Material AluminumColor BlackPower Meter NoDefined Color BlackDirect Mount Type Direct Mount SRAM 8-Bolt

150 TPI Nylon casing for high mileage

}SRAM CenterLine X Disc Brake Rotor - 160mm Center Lock Silver/Black

Start with a balance bike

*Due to variations in derailleur hanger geometry

e*thirteen Helix R Chainring - 30t 11/12-Speed 52/55mm Flip Flop CL 3.5mm Offset e*thirteen DM BLK MFPN=11808 Tooth Count 30Drivetrain Speeds 12Rounde*thirteen Helix R Direct Mount Chainrings manufactured from durable AL 7075 T6 combine aesthetics and design efficiency. Their flip flop design accommodates Boost or Super Boost chainlines. With e*thirteen's narrow wide tooth profile they ensure enhanced chain retention reduced wear and compatibility with Shimano and SRAM chains. Perfectly complementing all Helix Cranks they're backward compatible with e*thirteen TRS LG1 and XCX Race cranks. Direct