11-30 188 gram lightweight sprocket instead of the middle gear ratio is a little different.
Actually, I bought it because I liked the appearance, but the letters are not visible because of the oil. ㅠ;;
Chinese products are a bit like that, but I trust the relatively famous brand. Instead, overseas purchase ㅋㅋ
Dura 11-30 220 grams
Ultegra 11-30 280 grams
