
SRAM Apex 1 Wide DUB Crankset – 175mm, 40T
SRAM APEX 1 WIDE · 175mm / 40T
Give your 1x build a 40T starting point.
The SRAM Apex 1 Wide DUB crankset brings together a single 40-tooth X-SYNC aluminium chainring and 175mm aluminium crank arms for a compatible road or gravel drivetrain.
Single-ring gearing, exact Road Wide geometry
Its direct-mount X-SYNC chainring uses SRAM’s wide-tooth, narrow-tooth design for chain engagement. The 47.5mm Road Wide chainline, DUB spindle and 8-bolt chainring interface define the fit of this black crankset.
Know the configuration
- Manufacturer part: 00.6118.672.009.
- Crank length: 175mm.
- Chainring: 40T aluminium X-SYNC, direct mount.
- Crank arms: aluminium, black.
- Chainline: 47.5mm Road Wide.
- Spindle: SRAM DUB.
- Chainring mounting interface: 8-bolt.
In the box
One Apex 1 Wide crankset with the listed 40T chainring. The bottom bracket is sold separately.
Check the bottom bracket first
SRAM’s exact-part specifications list Road Wide DUB bottom brackets, excluding Cannondale Ai. Match your frame to the correct bottom bracket and spacer arrangement.
This supplied configuration is listed for a 12-speed drivetrain. Confirm the complete chain, cassette and frame-clearance requirements before fitting.
Installation
Follow SRAM’s crankset and bottom-bracket instructions for the specified tools, tightening values and spacers. Check all clearances and fastenings before riding.

SRAM Apex 1 Wide DUB Crankset – 175mm, 40T