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Shimano BB-UN300 BSA Bottom Bracket 123/73mm
Maximize the efficiency and durability of your bike with the Shimano BB-UN300 BSA bottom bracket, an essential component for any serious cyclist looking for performance and reliability.
- Shaft type: Square.
- Shaft length: 123mm.
- Case width: 73mm (BSA).
- Adapter material: Aluminum.
- No fixing screw included.
- Chain box variant and chain line stabilizer for better stability.
Excellence and Precision in Every Pedal Stroke
Discover the quality and performance that only Shimano can offer with the BB-UN300 BSA 123/73mm bottom bracket, designed for cyclists who demand the best in every component of their bicycle.
Technical specifications
This bottom bracket features a 123mm square axle and 73mm BSA case width, ideal for a wide range of bikes. Manufactured from high quality materials, including an aluminum adapter that ensures a firm and durable mount.
Innovative Design
It integrates a chain line stabilizer that significantly improves stability during pedaling, increasing efficiency and comfort in each ride.
Assembly and Maintenance
Easy to install and maintain, this bottom bracket comes without a fixing screw, allowing customization according to the specific needs of each cyclist and their bike.
EBBUN300C23X
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