Shimano
ES51 Octalink V2 Spline English Bottom Bracket
Upgrade your ride with the Shimano ES51 Octalink V2 Spline English Bottom Bracket. Engineered for dependable performance, it ensures efficient power transfer thanks to its secure Octalink V2 interface. The standard English threading offers broad compatibility with many bicycle frames. Built with Shimano's trusted quality, this bottom bracket is designed for durability and a smooth cycling experience, making it an essential component for any cyclist seeking reliable performance.
$23.36
Owner Satisfaction
4.5
/ 5
Category Rank
1013
/ 2100
#1013 in Components
Price vs Category Average
-77%
Below average
Spindle Interface
2
/ Octalink V Spline
Who it's for
- Excellent Sealing and Durability
- Improved Power Transfer (Octalink)
- Reliable Shimano Quality at a Low Cost
Who should skip it
- Outdated Interface Standard
- Heavier Than Modern Systems
- Non-Serviceable Bearings
Key Specs
Spindle Interface
Octalink V2 Spline
Cup Type
English
Model
ES51
Available Shell Widths/Spindle Lengths
68x121, 68x118, 73x118
Features
- Octalink V2 Spline interface
- Efficient power transfer
- Broad frame compatibility
- Durable construction
- Reliable Shimano quality
- Smooth operation
What customers say
The Shimano ES51 Octalink bottom bracket earns high praise primarily for its exceptional reliability and outstanding value. Users consistently report a smooth, dependable pedaling experience right after installation, often noting its 'install and forget' nature. Its robust construction and effective sealing contribute to impressive durability across various conditions, offering years of trouble-free operation. Installation is straightforward, appealing to both experienced mechanics and home enthusiasts. While not a lightweight racing component, the ES51 delivers functionality and longevity that significantly surpasses its modest cost. It remains a highly dependable and accessible workhorse replacement for older Octalink V2 setups, solidifying its reputation as a trustworthy, high-value choice.
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