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Single Speed Drive Polish Crankset Mudblack Crankset Chainring Bottom Bracket Alloy Sprocket Steel Sprocket

Single Speed Drive スチール固定ギヤ 　　歯厚 1/8" 　　歯数 13/14/15/16T

350-235 13T 350-236 14T 350-237 15T 350-238 16T 各￥500

350-235 350-236 350-237 350-238 数量： 1 2 3 4 5