5Dev 7075 Road Chainring Ultimate Durability If you're looking for an excellent quality chainring for your road or gravel bike, then you're in the right place. The 5Dev 7075 Road Chainring is designed to work with SRAM 8-bolt cranksets. It is made of 7075 aluminum making this chainring lightweight and highly durable. Features Designed for 8-bolt SRAM Power Meter cranksets Material: 7075 aluminum Lightweight and highly durable | 5Dev | 7075 Road Chainring | Raw |Clear, 40T, 8-Bolt | Aluminum