Shimano Bottom Bracket UN300 Square 68-113 BSA
Precision-engineered square taper design boosts pedaling efficiency and durability for your e-bike, powered by Shimano’s trusted UN300 tech
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Unleash Seamless Power Transfer with Precision Engineering.
Struggling with inefficient pedaling and unreliable crank performance? The Shimano UN300 bottom bracket delivers a robust, smooth, and durable solution for your e-mobility setup. Designed to eliminate wobble and maximize energy transfer, this bracket ensures your ride stays efficient and responsive every time.
Key Features
- Precision square taper interface for secure crank attachment.
- Durable BSA 68mm shell width fits standard frames with ease.
- 113mm spindle length optimized for balanced crank positioning.
- High-quality Shimano engineering guarantees long-lasting performance.
- Low maintenance design for hassle-free riding.
Technical Specifications
- Model: Shimano UN300 bottom bracket (trapas/bracketas).
- Shell Type: BSA (British Standard Threaded).
- Shell Width: 68mm.
- Spindle Length: 113mm.
- Spindle Interface: Square taper (Vierkant).
- Compatibility: Designed for D-NL cranksets.
Frequently Asked Questions
What frame types are compatible with the Shimano UN300?
The Shimano UN300 fits standard BSA threaded frames with a 68mm shell width, common in many e-bikes and traditional bicycles.
How does the square taper spindle improve performance?
The square taper interface ensures a tight, wobble-free connection between the crank and bottom bracket, enhancing power transfer and ride stability.
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