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SHIMANO 105 5800 SM-BBR60 Road Bicycle Threaded Bottom Bracket HOLLOWTECH II 68mm 70mm BB Iamok Bike Parts
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SHIMANO 105 BBR60 Bottom Bracket Threaded HOLLOWTECH II British / English 68/70 mm shell width SHIMANO 105 5800 Series - AliExpress
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SHIMANO 105 FC R7000 Crankset 2x11-Speed HOLLOWTECH II CRANKSET 50-34T 52-36T 53-39T 165MM 170MM 172.5MM 175MM 5800
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