Shimano Ultegra BB-6500 Bottom Bracket: 109.5x68mm, Double, Octalink V1 - Bike Recyclery
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File:Shimano Octalink V1 and V2.jpg - Wikimedia Commons
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Shimano Ultegra BB-6500 Octalink V1 Bottom Bracket 68 x 118.5 English LOW MILES | eBay
OCTALINK
Shimano 105 Octalink Cartridge Bottom Bracket BB-5500 68 x 109.5mm, BSA Threaded 689228134522 | eBay
SHIMANO 105 BB-5500 68x118.5mm Octalink V1 Spline English Bottom Bracket 689228134546 | eBay
NOS/NIB Shimano Ultegra BB-6500 Bottom Bracket: 118.5mm x 68mm English Triple - Octalink V1 - Bike Recyclery
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