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Shimano 105 BB-5500 V1 Octalink Bottom Bracket  English Thread 68x109mm
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105 BB-5500 V1 Octalink Bottom Bracket

Mfg PartNum:
  (6 customer reviews)
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Bottom Bracket for Octalink V1 spline cranksets. Compatible with V1 Shimano Dura Ace®, XTR®, Ultegra® and 105® 22mm 8-splined hollow systems. Not compatible with V2 or ISIS splined systems. Available in English (68mm shell) or Italian (70mm shell). Double (109.5mm) or Triple (118mm) spindle lengths.


  • Large diameter pipe billet spindle
  • Sealed Cartridge bearings
  • Splined spindle ends for increased joint strength
  • 250g (109mm spindle)

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.


Frame Interface: BSA/English Threaded 


Bottom Bracket STD: English (BSA) 

English Thread 68x109mm

Weight: 250 grams

Mfg PartNum: EBB5500B09 

English Thread 68x118mm

Weight: 265 grams

Mfg PartNum: EBB5500B18 

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5 stars
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1 stars
Old reliable
by Anonymous

Getting hard to find, but a sturdy part if you need it.

Reviewed 4/30/2017
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Nice BB
by Anonymous
Cycling Enthusiast

Got this for future use on my 93 Trek. As usual great quality, and price from WBW.

Reviewed 6/15/2015
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by Art
Sweet Home, Or.
0 of 1 customers found this review helpful.

I ride an older litespeed with the old style tapered bb. This one is a perfect replacement without any hassles!

Reviewed 9/1/2017
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Easier replacement for BB-7700
by Sandbag23
Casual Cyclist
California, MD
1 of 1 customers found this review helpful.

Not only are new BB-7700 hard to find, they require more upkeep than a casual rider may want to endure. BB-5500 is a nice replacement for bikes still using Octalink V1 cranks, and the weight and drag are negligible for anyone not racing. Get over your disdain for 105, Tubby.

Reviewed 9/9/2013
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Solid performance at a reasonable price
by Anonymous
Competitive Racer
2 of 2 customers found this review helpful.

I use 105 bottom brackets for my cyclocross bikes. They are reasonably priced and give good performance at a reasonable weight. Bottom brackets seldom last 2 years for a cyclocross bike. For this cost I an swap them out before they fail and still get solid performance.

Reviewed 1/14/2013
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New BB for older Crank
by Anonymous
Cycling Enthusiast
Bellingham, WA
2 of 3 customers found this review helpful.

Needed this for a older Ultegra Crankset I switched to a Soma Double Cross. Working great so far. Only have a couple hundred miles on it but running smooth.

Reviewed 6/28/2012
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