E*thirteen Helix R Guidering(3mm Offset)3-Bolt 28t Bronze MFPN=D33EPTQ-B }SRAM Level Disc Brake and

}SRAM Level Disc Brake and Lever - Front Hydraulic Post Mount Black A1

Color Black Rings 42 Number of Chainrings Chain Retaining Single Crank Length (mm) 172

The Superflow central cutout offers better release pressure from the perineal area and increase the feeling of comfort

}Abus Amparo 4750XL Frame/Wheel Lock - 119mm Mount Spacing 93mm Clearance

E*thirteen Helix R Guidering(3mm Offset)3-Bolt 28t Bronze MFPN=D33EPTQ-B }SRAM Level Disc Brake andE*thirteen QuickConnect Direct Mount rings include 1mm spacers, which allows them to be run on legacy cranks (TRS LG1 XCX), as well as Helix and Helix R cranks 3 bolt direct mount chainrings fit SRAM and other similar interface cranks Tooth profile is compatible with both Shimano and SRAM chains in both 11 and 12 speed Can be flipped to provide either a 52 or 55mm chainline Model Helix R Ring Type Single (Anti Chain Drop) Mount 3 Bolt DM 3mm Offset