The Shimano 105 Octalink BB works for older 3-piece Shimano cranksets using the Octalink V1 spindle. The 105 BB also features sealed cartridge bearings for long life and all-weather durability.
BB-5500 has a 22mm splined, hollow spindle; fits FC-7700/FC-7703/FC-6500/FC-6503/FC-5500/FC-5501/FC-5503/FC-5504 cranks
Crankarm fixing bolts not included
Specifications
Bottom Bracket Shell Width
68mm
Bottom Bracket/Frame Interface
English
Spindle Interface Type
Octalink 1
Spindle Length (mm)
109.5, 118
Review Summary
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4.8 GEARS 5 reviews
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Best price for an octalink BB, and seems to be one of the few places with the 68x109.5mm size. The Ultegra (BB-6500) units I've used previously have started creaking with a couple thousand miles, so hopefully this lasts as long.
Very good price for the older Octalink Bottom Bracket. Installs easy with correct tools and torque wrench. Appears to be the good quality I expect from the Shimano 105 group.
The installation was uneventful.
The resistance to rotation is effortless.
With one spin of the cranks (by hand), there is minimal friction.
Very nice.