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Amazon.com : Zreneyfex Square Taper JIS Bottom Bracket 68 X110mm/123mm/127mm for Mountain Bike Replace BB-UN26 (68 x 110mm) : Sports & Outdoors
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Amazon.com : Thinvik Square Tapered Bottom Bracket - 68mm English BSA Compatible with Shimano BB-UN26/BB-300/BB-100/BB-101, 68mm x 108 110 113 116 118 122.5 127 : Sports & Outdoors
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Bottom Bracket threading and other specifications for bikes with traditional three-piece cranksets by BikeRaceInfo
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