Shimano BB-ES51 Octalink V2 Bottom Brackets

Crankarm fixing bolts not included. Fits Shimano Octalink V2 Spline Cranksets.

Item Specifications: Weight, 270, BB/Frame Interface, English, Spindle Interface Type, Shimano Octalink V2, BB Shell Width, 68, Defined Color, Black, Bottom Bracket Shell I.D., 1.37", Spindle Length, 121,

Shimano BB-ES51 Octalink V2 Bottom Bracket | BSA 68x121mm Spindle for Cruiser & Road Bikes

Reference Number: 1N90C7

Upgrade your bike's performance with the Shimano BB-ES51 Octalink V2 Bottom Bracket - the perfect solution for reliable, smooth pedaling. Designed specifically for Shimano Octalink V2 spline cranksets, this high-quality bottom bracket combines durable materials, innovative engineering, and versatile compatibility to enhance your cycling experience.

Materials & Construction: Crafted with precision-machined steel components, the Shimano BB-ES51 offers excellent durability and corrosion resistance. Its robust design ensures long-lasting performance, even under demanding riding conditions.

Performance & Engineering: Featuring Shimano's renowned Octalink V2 spline technology, this bottom bracket provides a secure, slip-free connection between your crankset and bottom bracket shell. The 68x121mm spindle length ensures optimal pedal balance and stiffness, delivering efficient power transfer and reduced flex for a more responsive ride.

Components & Technology: The BB-ES51 is engineered with precision bearings that facilitate smooth rotation and minimal friction, enhancing pedaling efficiency. Compatible with primer BSA (English) threaded frames, it fits seamlessly into a wide range of bike setups, making it an ideal upgrade for mountain bikes, hybrid bikes, and touring bikes.

Style & Use Case: Finished in sleek black, the Shimano BB-ES51 complements any bicycle frame and style. Whether you're tackling daily commuting, mountain adventures, or long-distance touring, this bottom bracket provides dependable performance and ease of installation.

Innovative & Differentiating Features: Designed with Shimano's leading spline technology, the Octalink V2 interface ensures a secure crank fit, reducing slippage and crank arm wobble. It's easy to install with standard tools, and its lightweight build of only 270 grams keeps your bike agile without compromising strength.

Key Specifications:

- Shell I.D.: 1.37 inches

- BB Shell Width: 68mm

- Spindle Length: 121mm

- Weight: 270g

- Frame Interface: BSA (English)

- Spindle Interface: Shimano Octalink V2

- Color: Black

Enhance your bike's drivetrain with the Shimano BB-ES51 Octalink V2 Bottom Bracket - engineered for durability, performance, and precision. Perfect for riders seeking a reliable, high-quality bottom bracket that delivers consistent power transfer and smooth rotation ride after ride.

  • Shimano BB-ES51 Octalink V2 Bottom Bracket with 68x121mm spindle provides reliable, smooth performance for Shimano Octalink V2 cranksets, ensuring optimal power transfer and durability.
  • Constructed from high-quality materials designed to withstand harsh riding conditions, this bottom bracket offers long-lasting performance and corrosion resistance for mountain biking, road cycling, and commuter bikes.
  • Engineered with Shimano's innovative Octalink V2 spline technology, the BB-ES51 delivers precise fit and enhanced stiffness, improving pedaling efficiency and reducing drivetrain flex.
  • Designed for easy installation with standard BSA (English) threading, compatible with a wide range of bike frames, making it a versatile choice for upgrading or replacing your existing bottom bracket.
  • Featuring a sleek black finish and lightweight construction at just 270 grams, this bottom bracket balances performance with style, making it ideal for serious cyclists seeking reliability and performance on every ride.
Item Specifications
Bottom Bracket Shell I.D.1.37
BB/Frame InterfaceEnglish
BB Shell Width (mm)68
Weight270
Spindle Interface TypeShimano Octalink V2
Spindle Length121
Defined ColorBlack

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365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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