가장 큰 원인은 프레임 자체를 티타늄으로 교체한 것이고 부수적으로 다른 부품들 무게도 조금씩 줄이려고 노력했습니다.
The biggest reason was that the frame itself was replaced with titanium, and incidentally, we tried to reduce the weight of other parts little by little.