썬샤인 11단 경량스프라켓 (380g 미만) 11t-50t 체인링 32t, 104bcd (거의 새것) https://m.smartstore.naver.com/miraebike/products/7715171839?site_preference=device&NaPm=ct%3Dm22z801g%7Cci%3Dshopn%7Ctr%3Dsls_myz%7Chk%3D81e77b0bb782085753a1fa507d30364858d6bb5d%7Ctrx%3Dundefined
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