Wolf Tooth Direct Mount Chainring for SRAM compatible with SRAM Flattop
$89.95 USD
Wolf Tooth Components
Wolf Tooth Direct Mount Chainring for SRAM compatible with SRAM Flattop
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Product description
The direct mount chainrings for SRAM cranksets with the 3-bolt mounting interface. They replace your existing spider and chainring with one clean looking, lightweight, and stiff piece of machined billet. They are available in the Drop-Stop B tooth profile, which is optimized for SRAM Flattop chain. It is also compatible with all other 9-, 10-, 11-, and 12-speed chains except the Shimano 12-speed chain.
Compatibility
- These direct mount chainrings will replace your existing chainring and spider or replace the direct mount ring on SRAM cranksets including the DUB cranks. The ring is attached via 3 bolts on the back side of the spider near the spindle. Note that these chainrings are NOT compatible with SRAM 8-bolt direct mount cranksets.
- Wolf Tooth’s patented Drop-Stop® wide/narrow tooth profile for the ultimate chain retention and mud shedding ability
- There is one offset:
- Standard Road/CX/Gravel: 6mm offset for cyclocross and road crank applications with 47mm chainline
- Praxis Works Road/CX cranks use the 6mm offset.


- If using a 9-speed drivetrain, use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention).
Recommendations
- Recommend the use of a clutch style rear derailleur for the best chain security.
- AnL-wrench works best since the crank spindle may contact a socket adapter and prevent it from engaging properly.
- Use the same 3 bolts to attach the Wolf Tooth ring or we carry replacement bolts
Tech Specs
Weights: 38T • 90g | 40T • 106g | 42T • 111g
Material: 7075-T6 aluminum
Made in the USA
Material: 7075-T6 aluminum
Made in the USA
Product information
| Brand | Wolf Tooth Components |
| SKU | SDM40-FT |
| EAN | 810006801156 |
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