Wolf Tooth Direct Mount 8-Bolt Chainring The Ocho Wolf Tooth Direct Mount Chainrings for SRAM 8-bolt Cranks replace your existing spider and chainring with one clean looking, lightweight, and stiff piece of machined billet. They feature our patented Drop-Stop(R) design for the best wear life, chain retention, and mud clearance. Drop-Stop B is optimized for SRAM Eagle and Flattop chains. Features Aero chainrings available in 46-52T. Sizes 38-44T are non-aero. These direct mount chainrings will replace your existing chainring and spider or replace the direct mount chainring for SRAM AXS cranksets, 2025 Cane Creek ee Wings Titanium Cranks (8-bolt), and other cranks that use the 8-bolt mounting standard. SRAM Direct Mount DUB road cranksets use the 8-bolt mounting standard. Any of those cranksets with a removable spider also use the 8-bolt mount. Compatible with SRAM 12-speed and 13-speed groupsets including SRAM Red XPLR AXS. Wolf Tooth's patented Drop Stop wide/narrow tooth profile for the ultimate chain retention and mud-shedding ability. For 38-52T chainrings, Chainline is 45mm on standard spindle cranks and 47. 5mm on wide spindle cranks. SPECIFICATIONSSpeeds12 or 13 Speed Tooth Count30, 32, 38, 42Bolt Center Diameter (BCD)Direct Mount Materials Forged and machined aluminum Intended Use Road & Gravel Weight TBDChainring BCDSRAM AXS Direct Mount | Wolf Tooth Components | Direct Mount 8-Bolt Chainring | Raw Silver | Sram 8-Bolt 42T | Aluminum