e*thirteen Helix Guidering - 30t 10/11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM BLK MFPN=390SILVER 4 Flat Protection Tread ISO

4 Flat Protection Tread ISO Width (mm) 60 ISO Diameter 622 / Road / 29"

Brake Caliper Type Post Mount Brake Lever Actuation Hydraulic Brake Lever Use Right Color Black Hydraulic Fluid Type Mineral Oil Hydraulic Hose Length 1700 Pad Compound Resin Rotor Included No

Rings 32Number of Chainrings Chain Retaining SingleDrivetrain Speeds 12Chainring BCD Direct Mount SRAM 3-BoltChainline/Hub Compatibility 141/148 Boost HubsColor BlackCrank Length (mm) 170Crank Intended Use MountainBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Black

With its ABS interface and optimized tooth profiles it delivers crisp reliable shifting under load

e*thirteen Helix Guidering - 30t 10/11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM BLK MFPN=390SILVER 4 Flat Protection Tread ISOe*thirteen Helix Guidering 30t 10 11 12 Speed 52 55mm Flip Flop CL 3 5mm Offset e*thirteen DM Black. Helix Direct Mount rings are designed for use with e*thirteen Helix TRS LG1 and XCX Direct Mount cranks. These rings are compatible with both Shimano and SRAM 12 speed drivetrains. e*thirteens Gen 4 narrow wide tooth profile delivers upgraded chain retention lower system noise and increased wear life Cross Compatible with SRAM and Shimano 11 and 12