Improve your performance by using oval chainrings! Oval chainring with 12,5% ovality. The Q-ring has the largest diameter at the point of the greatest force output, the smallest diameter is at the upper dead center. Adjustable to 3 positions matching your individual riding style and requirements thanks to the patented OCP system. Straightforward adjustment without disassembly of the crank, allowing for simple testing of the various positions. CNC milled and durable due to hard-anodized surface. The specific Wide Narrow tooth design prevents the chain from falling off without the need for a chain guide. CNC milled and durable due to hard-anodized surface. This chainring is suited for mounting on Sram MTB cranks with 104 mm 4-hole spider and for application with Sram 1x12 drivtrains.