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Shimano 105 BB 5500 central composition, 68x109.5 mm, octalink, road,

50.99  RRP 63.99 
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BB-5500 Bottom bracket with round hollow axle and multi-toothing for the 105 Octalink crankset. Suitable for frames with BSA thread (68mm).
Compared the power transfer of OCTALINK with the conventional square taper spindle, the 8-splined OCTALINK interface that connects bottom bracket and crank set increases the strength and rigidity for entire assembly.

Product features - 105 BB-5500 Octalink 68mm BSA Bottom Bracket

  • Use: Road
  • Gruppe: 105
  • Model: BB-5500
  • BB-Type: Octalink
  • Threaded: BSA
  • Threaded BB shell width: 68mm

Axle length (choose variant)

  • 109.5mm (for 2-speed)
  • 118.5mm (for 3-speed)


  • Steel/Aluminum

Scope of delivery

  • Shimano 105 BB-5500 Octalink 68mm BSA Bottom Bracket

Product features

With small ball bearings, for the lowest possible weight
Redesigned seal design for smoother rotation
No bolts included

Product details

Suitability Road
Type of assembly BSA
Axis type for cranks Octalink
Frame width 68 mm
Weight 250 g
Mount method BSA thread
Dimensions 109.5 mm
Material steel, plastic
product ID 1265

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Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.

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