Shimano BB-ES300 Octalink V2 Bottom Brackets

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

Item Specifications: Weight, 270, BB/Frame Interface, English, Spindle Interface Type, Shimano Octalink V2, BB Shell Width, 73, Defined Color, Gray, Bottom Bracket Shell I.D., 1.37", Spindle Length, 118,

Shimano BB-ES300 Octalink V2 Bottom Bracket 73x118mm BSA for MTB & Road Cycling

Reference Number: 4N72C8

Upgrade your bike's drivetrain with the Shimano BB-ES300 Octalink V2 Bottom Bracket, a high-performance and durable component designed for seamless power transfer and reliable performance. Crafted with precision engineering and premium materials, this bottom bracket ensures compatibility with Shimano Octalink V2 spline cranksets, making it an ideal choice for mountain biking, road cycling, and hybrid bikes.

Materials & Construction:

Built with corrosion-resistant, high-quality steel and lightweight aluminum shells, the Shimano BB-ES300 offers excellent durability, rust resistance, and longevity. Its gray finish not only provides a sleek, modern look but also withstands harsh riding conditions, ensuring your bike remains protected and performing at its best.

Performance & Engineering:

Engineered for efficiency, this bottom bracket features a precision-machined 73mm shell width and a 118mm spindle length, optimized for smooth rotation and minimum drag. The Octalink V2 spline interface delivers a secure, slip-free fit with compatible cranksets, allowing for reliable power transfer and pedal responsiveness during intense rides.

Components & Technology:

Designed with Shimano's advanced spline technology, the Octalink V2 interface enhances stiffness and power delivery while reducing rotational play. The 1.37-inch BSA (English) shell interface ensures straightforward installation and compatibility with a wide range of frames, providing a versatile solution for various bike setups.

Style & Use Case:

With its sleek gray finish and robust engineering, the Shimano BB-ES300 is perfect for riders seeking a dependable bottom bracket that combines performance with style. Whether you're hitting the trails, city streets, or upgrading your commuter bike, this bottom bracket provides a solid foundation for your crankset and drivetrain efficiency.

Innovative Features:

- Compatible with Shimano Octalink V2 spline cranksets for enhanced stiffness and power transfer

- Designed for easy installation with BSA (English) threaded shell interface

- Lightweight at just 270 grams, improving overall bike performance without added weight

- Durable construction ensures long-lasting performance in a variety of riding conditions

Note: Crankarm fixing bolts are not included, allowing for customization based on your specific crankset needs.

Optimize your bike's drivetrain with confidence-choose the Shimano BB-ES300 Octalink V2 Bottom Bracket for reliable performance, superior durability, and seamless compatibility with your Shimano crankset. Perfect for cycling enthusiasts looking to enhance efficiency and ride quality.

  • Premium Shimano BB-ES300 Octalink V2 Bottom Bracket designed for seamless integration with Shimano Octalink V2 cranksets, ensuring precise and reliable power transfer.
  • Constructed with high-quality materials and engineered for durability, this bottom bracket provides smooth operation and longevity on rugged mountain bikes and road cycles alike.
  • Features an 73mm shell width and 118mm spindle length, compatible with English (BSA) frame interfaces, simplifying installation on a wide range of bikes.
  • Optimized performance with specialized Octalink V2 spline technology, delivering secure crank arm attachment and efficient pedaling dynamics for both casual riders and competitive cyclists.
  • Lightweight at just 270 grams, the Shimano BB-ES300 offers a perfect balance of strength and weight savings, making it ideal for performance-enhancing upgrades and everyday cycling needs.
Item Specifications
Bottom Bracket Shell I.D.1.37
BB/Frame InterfaceEnglish
BB Shell Width (mm)73
Weight270
Spindle Interface TypeShimano Octalink V2
Spindle Length118
Defined ColorGray

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

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