The ROLLCii MTA30EC eccentric aluminum rim is an excellent choice for custom-built MTB wheels. Designed for mountain trails, enduro riding, and loaded bikepacking, this rim delivers durability, performance, and a sleek polished anodized finish. Its eccentric design ensures balanced spoke tension and increased wheel rigidity for enhanced performance. Tubeless-compatible and proudly made in Taiwan, the MTA30EC is built to tackle any terrain with confidence.