5Dev T-Type Aluminum Chainring, 3-Bolt The Type That's TAfter thousands of miles of riding, you'll want to replace your chainring on the front to keep your bike working like new. The 5Dev T-Type Aluminum Chainring is made of ultra-light and durable 7075 aluminum. It is compatible with SRAM 3-bolt direct mount cranks and works with SRAM Transmission, Shimano 12-speed, and SRAM Eagle chains. Features Lightweight 7075 aluminum that is highly durable Compatible with SRAM 3-bolt direct mount cranks Works with SRAM Transmission, SRAM Eagle, or Shimano 12-speed chains SPECIFICATIONSDrive Train Speed12-Speed Tooth Count30T, 32T, 34TBolt Center Diameter Direct Mount Material7075 Aluminum Intended Use Mountain Weight N/A | 5Dev | T-Type Aluminum Chainring, 3-Bolt | Clear | 32T