Garbaruk Chainring Features:- Special Tooth Shape A Tighter Contact With Chain And Softer Pedaling (In Comparison With Regular Chainrings)- Chamfered Edges And Wide Mud Gap Keeps The Ring From Getting Muddy- Increased Tooth Height Improves Chain Retention While The Bike Is Shivering And Jolting- Overall Bicycle Weight Reduction In The Range Of 150-400 Grams (With No Front Derailleur And Chainguide)- Manufactured Using Highly Durable Aluminum Alloy- Variable Teeth Thickness Prevents Chain DroppingGarbaruk Direct Mount Chainring Advantages:- You Get A Wide Range Of Chainring Sizes To Choose From, Starting From 26t- You Can Reach An Optimal Drivetrain Chainline Value With Variable Chainline Technology (Vclt)- You Save Bike Weight By Not Using Crankset Spider And You Can Opt For The Chainring With An Appropriate Specs For Your DrivetrainOval Chainring Advantages:- Even At-The-Wheel Distribution Of Pedaling Torque- Improved Responsiveness And Pedaling Smoothness, Narrower Dead Spots And Increased Span Of Your Gluteus And Hamstrings- Easier Uphill Riding, Especially On Soft And Slippery Terrains- Increased Pedaling EfficiencySpecifications:- Chainring Shape: Oval- Made From: 7075-T651 Aluminum Alloy- Surface Coating: Anodizing- Made With: Cnc Milling- Ovality: 12%- Timing: 108° After Tdc (Top Dead Center)- Weight, Grams: 51 (30t)- Chainline, Mm: 50.7 (30t)- Chain Compatibility- Compatible With All 9,10,11-Speed Chains, 12-Speed Sram Eagle, Kmc, Shimano Hg+- Offset: 4,6mm