Shimano Saint SM-BB80 Hollowtech II Bottom Bracket

Item number: 21521
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Saint SM-BB80 Hollowtech II Bottom Bracket - black-gold/BSA 68/73
Saint SM-BB80 Hollowtech II Bottom Bracket - black-gold/BSA 68/73
Saint SM-BB80 Hollowtech II Bottom Bracket - black-gold/BSA 68/73
Saint SM-BB80 Hollowtech II Bottom Bracket - black-gold/BSA 68/73
Saint SM-BB80 Hollowtech II Bottom Bracket - black-gold/BSA 83
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The Shimano Saint bottom bracket SM-BB80 is available for different shell widths


The SM-BB80 bottom bracket from Shimano is available in a version for 68 mm and 73 mm housing width and in a version for 83 mm housing width. Its golden bearing cups allow it to fit perfectly with Saint FC-M820 and FC-M825 cranks. It is a Hollowtech II bottom bracket with 24 mm axle diameter for BSA frames.

Specifications:

Application:
Downhill, Enduro, Cross Country, All Mountain, Touring
Series:
Saint, ZEE
Type:
BSA
Shell Width:
68 mm / 73 mm, 83 mm
Axle Diameter:
24 mm (Hollowtech II)

Technical Information:

Bearings:
steel
Bottom Bracket Cup Material:
Aluminium
Bottom Bracket Centre Tube Material:
synthetic resin

Compatibility:

Recommended for:
  • Saint FC-M815-2, FC-M815-1, FC-M810-2, FC-M810-1, FC-M820, FC-M825
  • XT FC-M780, FC-M785
  • SLX FC-M660-10
  • Deore FC-M590-10
  • FC-M552
  • FC-T780, FC-T781, FC-T551

Features:

  • larger and wider bearings for optimised load distribution, more efficient power transmission, higher rigidity, increased stability
  • simplified assembly thanks to precision bearings, longer service life
  • stronger centre tube stiffens frame, more possibilities
  • high-quality precision seal: bearing run remains like new for a long time
  • anodised bearing cups

Technology:

Hollowtech II
Shimano Hollowtech II is a crank bottom bracket system designed to achieve an ideal ratio of stiffness, weight and rotational efficiency. It is based on an integration of the bottom bracket and the right crank arm and works with a 24 mm axle or bearing diameter, which has proven to be optimal in terms of stability. In many cases, the bearing cups are on the outside so that the load is better distributed. High-quality precision seals ensure a long service life.

Models:

BSA 68/73:
Shell Width:
68 mm / 73 mm
Manufacturer Number:
I-SMBB80B

BSA 83:
Shell Width:
83 mm
Manufacturer Number:
I-SMBB80D

Contents:

  • 1 x Shimano SM-BB80 right bearing cup, with bearings
  • 1 x Shimano SM-BB80 left bearing cup, with bearings
  • 1 x Shimano bottom bracket sleeve
  • 3 x spacers 2.5 mm


Weight:

  • black-gold/BSA 68/73: 95 g
  • black-gold/BSA 83: 96 g

Models:

  • black-gold/BSA 68/73, out of stock
    19.90€
  • black-gold/BSA 83, in stock
    22.50€

Customer Reviews (25)

4.9

Customer Reviews (25)

4.9/5.0
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Give us your opinion on this product.

by Grigory R.  on 14.03.2020
1 of 1 customers found this review helpful.

I love everything about this BB for the price except for the only golden color option. It just does not look nice with the most of bike frames, which are not golden/yellow

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by Benjamin N.  on 20.05.2018
verified purchase

Reasonably priced alternative to RaceFace Team DH brackets.

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by Sergey K.  on 27.07.2016
verified purchase

High quality BB, no more no less

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by Patric Å.  on 31.05.2015
verified purchase
1 of 1 customers found this review helpful.

Longer swred saved my day

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by Franco P.  on 26.01.2014
verified purchase
1 of 1 customers found this review helpful.

excellent operation, with the right cup for extended thread chain guide, gold anodized is very nice

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by Steven S.  on 23.12.2013
verified purchase
2 of 2 customers found this review helpful.

Same level as the Xt or Xtr ones but depending on your bike set-up might look nicer

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