e*thirteen Helix e*thirteen Direct Mount Guidering
$24,95
e*thirteen
elix 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*thirteen's Gen 4 narrow-wide tooth profile delivers upgraded chain re