e*thirteen Helix R Guidering - 32t 11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM Intergalactic CheckoutSpec= MatchMaker Magnesium master is incredibly strong

Magnesium master is incredibly strong and lightweight

32 inches tall x 26

6mm length 375-445mm weight 450g color black

aiming for a top rough road racing performance

It's compatible with the Mammut® Removable Airbag System 3

e*thirteen Helix R Guidering - 32t 11/12-Speed 52/55mm Flip Flop CL 3/5mm Offset e*thirteen DM Intergalactic CheckoutSpec= MatchMaker Magnesium master is incredibly stronge*thirteen Helix R Guidering 32t 11 12 Speed 52 55mm Flip Flop CL 3 5mm Offset e*thirteen DM Intergalactic. Helix R Direct Mount rings are designed to function equally well with all 11 and 12 speed SRAM and Shimano drivetrain systems on e*thirteen Helix or legacy TRS LG1 XCX cranks. 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