SRAM Apex 1x D1 DUB Wide Crankset - 68-73mm and BB86-92 - 28.99mm DUB - SRAM Direct Mount - 170mm - Black - 40T YGroup_7421782720557 30T rings have integrated shims

30T rings have integrated shims and M5 chainring bolt threads to allow the smallest ring size possible on a 104 BCD crank

which together allows for a more uniform approach to bottom bracket fitment

a major player in camera lenses

Athletic Fit

SRAM Apex 1x D1 DUB Wide Crankset - 68-73mm and BB86-92 - 28.99mm DUB - SRAM Direct Mount - 170mm - Black - 40T YGroup_7421782720557 30T rings have integrated shimsA single chainring with a wide range cassette is a wonderfully clean way to tackle so many disciplines, and were the 1x leaders. Our Apex 1 Wide crankset features aluminum crankarms, a light and stiff DUB spindle, and elegant and secure direct mount X SYNC chainrings for flawless chain management. The wide chainline accommodates wider tires for any type of adventure. Single ring drivetrain simplifies functionality and reduces weight Wide chainline