Shimano BB-ES300 Bottom Bracket 68 x 113mm

Product Description

Reliable Shimano Performance

The Shimano BB-ES300 Octalink bottom bracket is designed for smooth, durable operation with Shimano Octalink chainsets. Featuring sealed cartridge bearings and a strong splined axle interface for dependable everyday riding.

Strong Octalink Design

• Octalink splined axle interface for increased crank strength
• Stronger crank assembly compared to square taper systems
• Designed for reliable power transfer

Smooth and Durable Operation

• Sealed cartridge bearing construction
• Maintenance-free design helps keep out dirt, mud, and water
• Smooth bearing performance for long-lasting use

Easy Installation

• Fast and simple installation
• No adjustment required after fitting
• Lightweight design compared to previous ES25 version

Specifications

• Axle Length: 113mm
• Bottom Bracket Shell Width: 68mm
• Thread: BC1.37
• MPN: EBBES300B13

Built for Everyday Riding

Ideal for road, touring, and MTB bikes using Shimano Octalink cranksets where durability and smooth performance are essential.