Shimano Tourney UN300 E-Type bottom bracket

Upgrade your ride with the SHIMANO Tourney UN300 E-Type Bottom Bracket, the benchmark for reliability and performance in the world of square taper systems. Engineered for cyclists who demand durability and smooth operation without compromise, this essential drivetrain component is the perfect choice for replacing a worn-out unit or building a new bike from the frame up. Whether you´re tackling rugged trails or cruising on city streets, the BB-UN300 delivers the consistent quality that has made SHIMANO a globally trusted name in cycling.

Experience a noticeable improvement in your pedaling efficiency and drivetrain stability. The core of the Tourney UN300 is its high-quality sealed cartridge bearing unit, which effectively shields the internal mechanism from dirt, mud, and water. This sealed design ensures a long-lasting, maintenance-free performance, providing a consistently smooth rotation mile after mile. Say goodbye to the creaks and play of older, worn bottom brackets and enjoy a quieter, more responsive ride.

Specifically designed for frames requiring an E-Type front derailleur, this bottom bracket features the necessary mounting structure integrated into its design. This ensures a secure and precise fit for your derailleur, leading to crisp and reliable shifting. The robust construction, featuring a durable steel axle and a lightweight aluminum counter shell, provides an excellent balance of strength and weight, ensuring it can withstand the rigors of both MTB Cycling and Road Cycling. The superior chainline stability offered by the BB-UN300 translates directly to better power transfer and reduced wear on your chain and chainrings.

Ideal for a wide range of bicycles, including mountain, hybrid, and road bikes equipped with square taper cranksets, the SHIMANO BB-UN300 is a versatile and dependable workhorse. Its straightforward installation and proven performance make it a favorite among home mechanics and professional bike shops alike. Choose the component that offers exceptional value and the legendary durability of SHIMANO engineering.

Brand:- SHIMANO.

Product name:- Tourney UN300 E-Type bottom bracket.

Specifications:
-SHIMANO Bottom Bracket ´´BB-UN300´´SB-packed, square, aluminum counter shell, BSA 1.37x24.

Key Features:

* Sealed Cartridge Bearings: Provides a smooth, low-friction rotation while protecting internal components from the elements for enhanced longevity and minimal maintenance.
* E-Type Compatibility: Specifically designed with an integrated mount for E-Type front derailleurs, ensuring a secure and stable installation for precise shifting.
* Superior Chainline Stability: Engineered for optimal chainline, improving shifting performance and reducing wear on drivetrain components.
* Durable Construction: Built with a strong steel axle and high-quality materials to handle the demands of various cycling disciplines.
* Square Taper Interface: A proven and reliable standard (JIS) compatible with a wide array of cranksets.

Technical Details:

* Model: BB-UN300
* Series: Tourney
* Axle Type: Square Taper (JIS)
* Bearing Type: Sealed Cartridge
* Shell Threading: BSA
* Shell Dimension: 1.37x24 TPI
* Application: MTB Cycling, Road Cycling, Hybrid, Commuting