MTB Bike Chainring Direct Mount Single Speed 6mm Offset 30T 32T 34T 36T 38T Bicycle Chain Ring for Sram 11/12S NX XX XO GX GXP11 Features: *1. Aluminum alloy construction with high strength and durability, rust-free and min. deformation after long use, forging and CNC process ensures precision. *2. Electroplating coloring, bright color will not fade, and protect the chain ring from oxidation; *3. Direct Mount easy installation. *4. The uneven teeth design aids shifting to reduce slipping issue. Description: *1. Material: aluminum alloy *2. Process: CNC machining *3. Teeth Number: 30T/32T/34T/36T/38T *4. Diameter: 30T-127 mm, 32T-135 mm, 34T-144 mm, 36T-151 mm, 38T-160 mm *5. Offset: 6 mm *6. Weight: about 71g/78g/86g/97g/110g Package Includes: 1 x Chainring NOTE: The product may vary slightly in color due to monitor setting differences, which does not affect the use.