
| VIZ ISIS BB Super Light Hollow spindle for ISIS drive Integrated bearing mechanism Aluminum alloy cups 128 mm & 122 mm 244g & 234g
VIZ ISIS BB TITANIUM | Hollow spindle for ISIS drive Titanium Aluminum alloy cups Cartridge sealed bearings 127.5 mm & 122 mm
VIZ SQUARE BB | High strength thrust bearing mechanism Aluminum alloy cups High quality as UN-52 127.5mm & 122mm
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