absoluteBLACK Oval Narrow-Wide Direct Mount Chainring - 32t SRAM 3-Bolt Direct Mount 3mm Offset GoldabsoluteBLACK Oval Narrow Wide Direct Mount Chainring 32t SRAM 3 Bolt Direct Mount 3mm Offset Gold. absoluteBLACK Oval Direct Mount 1x Chainrings for SRAM 3 Bolt cranks are designed for SRAM cranks that have a 3 bolt direct mount interface and removable spider. Direct mount chainrings provide significant weight savings over a standard spider and chainring combination. They are crafted from CNC machined 7075 aluminum and feature an anodized finish for