Vintage Kajita Adjustable Bottom Bracket 1.37×24 BSA 119.5mm Square Taper Tandem
Vintage Shimano Dura-Ace BB-7700 Bottom Bracket 68mm BSA 109.5mm Octalink V1
Spindle and interface: 109.5mm spindle length with Octalink V1 spline to match Dura-Ace 7700 cranksets. Threading and shell: English BSA 1.37x24T threading for 68mm bottom bracket shells.
Vintage Shimano Dura-Ace BB-7700 Bottom Bracket Octalink 68mm BSA 109.5mm Japan
Spindle rotates smoothly by hand without grinding or binding; handwritten note in the photos reads “Spin well.”.
Vintage Shimano Dura-Ace Octalink ITALIAN Bottom Bracket BB-7700 70mm ITA 109.5
Unit was partially disassembled when we go it. Splines and cup tool notches show tool marks gouges, nicks and rounding.
Vintage Shimano Dura-Ace BB-7700 Bottom Bracket 109.5mm Octalink V1 Japan Race
Vintage Shimano Dura-Ace BB-7700 sealed cartridge bottom bracket. Octalink V1 spindle with 109.5 mm length printed on the body and silver alloy cups with a black center shell. Body markings read: DURA-ACE, BB-7700, SHIMANO JAPAN VIA, PAT. PENDING, with L and R directional arrows. Weight on scale: 175 g.
Vintage Shimano Dura-Ace BB-7700 Bottom Bracket OCTALINK 68mm BSA 109.5mm V1
Spindle and interface: Octalink V1 splined spindle with 109.5 mm length marking printed ‘L-109.5-R’ on the body for use with compatible Shimano Dura-Ace 7700 series double cranksets.