20023-002_CMPNT_ROVAL-ALPINIST。Specialized Roval Alpinist II Handlebar Stem Unit - bike-components。Specialized Roval Alpinist II Handlebar Stem Unit - bike-components。Specialized Roval Alpinist II Handlebar Stem Unit - bike-components。・クランプ部直径:31.8mm・ステム長:90mm・角度:6度