5Dev 7075 Classic Chainring Nothing But The Classics After thousands of miles of riding, you'll want to replace your chainring on the front to keep your bike running properly. The 5Dev 7075 Classic Chainring is made of ultra-light and durable 7075 aluminum. It is compatible with SRAM 3-bolt direct mount cranks. It also works with both SRAM and Shimano 12-speed chains. Features Lightweight 7075 aluminum that is highly durable Compatible with SRAM 3-bolt direct mount cranks Works with SRAM or Shimano 12-speed chains SPECIFICATIONSDrive Train Speed12-Speed Tooth Count32T, 34TBolt Center Diameter-Material7075 Aluminum Intended Use Mountain Weight58g (32T), 68g (34T) | 5Dev | 7075 Classic Chainring | Kashima | 32T, 3Mm Offset | Aluminum