Shimano BB-ES300 Octalink Bottom Bracket

Item number: 44003
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BB-ES300 Octalink Bottom Bracket - universal/BSA 68x118
BB-ES300 Octalink Bottom Bracket - universal/BSA 68x118
BB-ES300 Octalink Bottom Bracket - universal/BSA 68x118
BB-ES300 Octalink Bottom Bracket - universal/BSA 68x118
BB-ES300 Octalink Bottom Bracket - universal/BSA 73x113
BB-ES300 Octalink Bottom Bracket - universal/BSA 73x118
BB-ES300 Octalink Bottom Bracket - universal/BSA 73x121
BB-ES300 Octalink Bottom Bracket - universal/BSA 73x126
BB-ES300 Octalink Bottom Bracket - universal/BSA 68x126
BB-ES300 Octalink Bottom Bracket - universal/BSA 68x121
BB-ES300 Octalink Bottom Bracket - universal/BSA 68x113
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Shimano BB-ES300 Octalink bottom bracket - for MTB and Touring


The Shimano BB-ES300 Octalink bottom bracket with 8-speed gears fits MTB and touring cranks installed in BSA bottom brackets with 68 or 73 mm shell width. Compared to its predecessor the BB-ES25, it can save up to 25 grams of weight. This is the standard version, which is not compatible with E-Type or chain cases.

Specifications:


Application: All Mountain, Touring, City
Type: BSA
Shell Width: 68 mm, 73 mm
Axle Length: 113 mm, 118 mm, 121 mm, 126 mm
Axle Type: Octalink (MTB)
E-Type Compatibility: no
Chaincase Compatibility: no

Technical Information:


Bearings: Steel
Axle Material: Steel
Bottom Bracket Cup Material: composite (left), steel (right)

Compatibility:


- Octalink crank arms with eight-speed splines for longer grooves (Octalink MTB)

Recommended for:
- FC-T521
- FC-T4010
- FC-T3010-8
- FC-M523
- FC-M522
- FC-M4000
- FC-M430-8
- FC-M3000-8
- FC-R345

Features:


- hollow construction
- stiff and lightweight for efficient power transmission
- robust construction with reinforced ribs
- 26 g lighter than BB-ES25
- fast and precise installation
- good control of the chainline with chain fixation

Technology:


Octalink
In Shimano's Octalink system, the bottom bracket and crank are connected by an 8-tooth contact surface. This provides greater rigidity and greater load capacity, especially compared to conventional square systems.

Models:


BSA 68x113:
Threads: BSA
Shell Width: 68 mm
Axle Length: 113 mm
Manufacturer Part Number: E-BBES300B13

BSA 68x118:
Threads: BSA
Shell Width: 68 mm
Axle Length: 118 mm
Manufacturer Part Number: E-BBES300B18

BSA 68x121:
Threads: BSA
Shell Width: 68 mm
Axle Length: 121 mm
Manufacturer Part Number: E-BBES300B21

BSA 68x126:
Threads: BSA
Shell Width: 68 mm
Axle Length: 126 mm
Manufacturer Part Number: E-BBES300B26

BSA 73x113:
Threads: BSA
Shell Width: 73 mm
Axle Length: 113 mm
Manufacturer Part Number: E-BBES300C13

BSA 73x118:
Threads: BSA
Shell Width: 73 mm
Axle Length: 118 mm
Manufacturer Part Number: E-BBES300C18

BSA 73x121:
Threads: BSA
Shell Width: 73 mm
Axle Length: 121 mm
Manufacturer Part Number: E-BBES300C21

BSA 73x126:
Threads: BSA
Shell Width: 73 mm
Axle Length: 126 mm
Manufacturer Part Number: E-BBES300C26

Contents:


- 1 x Shimano BB-ES300 bottom bracket


Models:

in stock 2 to 7 days up to 10 days Out of stock inform me
  • universal/BSA 68x113
    10.92€
  • universal/BSA 68x118
    10.50€
  • universal/BSA 68x121
    10.50€
  • universal/BSA 68x126
    10.92€
  • universal/BSA 73x113
    12.18€
  • universal/BSA 73x118
    10.08€
  • universal/BSA 73x121
    10.08€
  • universal/BSA 73x126
    10.92€

Customer Reviews (8)

4.9

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Customer Reviews (8)

4.9/5.0
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Give us your opinion on this product.

by Antonin C.  on 06.02.2021
verified purchase
1 of 1 customers found this review helpful.

Hat mich auf einer 4000 Km Tour begleitet und ist immer zuverlässig gelaufen.

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by Alexander L.  on 22.08.2020
verified purchase

Läuft sehr gut !

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by Raudies M.  on 28.05.2018
verified purchase

Passt wie Shimano üblich.
Linke Gewindeschalle aus Kunststoff,wie lange die hält werden wir sehen.

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by Rainer H.  on 07.01.2018
verified purchase
1 of 2 customers found this review helpful.

Von außen anhaftender Schmutz brachte das Lager schnell zum knarzen. Das habe ich bei hochwertigeren Lagern noch nicht gehabt. Da aber das Lager selbst in Ordnung war, war noch einer Reinigung und neuer Fettpackung das Problem gelöst.

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by Peter W.  on 24.03.2017
verified purchase

Die Empfehlung von BC stimmt: genau 50 mm Kettenlinie mit diesem Innenlager.

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by Ilja B.  on 05.02.2017
verified purchase
1 of 2 customers found this review helpful.

Einfach gegen eine Vierkant auszutauschen. Darauf achten das Vierkant und Oktalink einen anderen Extraktorkopf brauchen. Wenn man das mit Oktalink falsch macht, passiert nichts. Wenn man aber den Vierkant mit Oktalink ziehen will ist die Kurbel hinüber. Kurbel sehr leicht zu montieren.

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by Jörg S.  on 08.10.2016
verified purchase

Einwandfrei

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by stefan e.  on 10.08.2016
verified purchase

Ordentliches Lager und macht was es soll. Die Verarbeitung sieht gut aus und die installation ist vorstellbar einfach. Über die Langlebigkeit kann ich nichts sagen, aber ich denke für Stadtfahrten auf jeden Fall ausreichend.

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