Shimano BB-UN300 Square Taper Bottom Bracket (Grey)

★★★★☆ 4.0 112 reviews

US$333.00

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US$333.00

Price when purchased online

Free shipping Free 30-day returns

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Product details

Management number	236544523	Release Date	2026/07/09	List Price	US$333.00	Model Number	236544523
Category	Outdoor & Sports Bike Components & Accessories

The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 73 mm shell width. A stabilizer ensures a constant chain line

Features

Compatible with all standard JIS square‑taper cranksets
Cartridge Bearing Design
Lightweight yet robust, ensuring good stiffness for smooth pedaling without unnecessary weight
Built-in chainline alignment feature helps maintain optimal drivetrain performance

Specification

Frame Interface- BSA/English Threaded
Spindle Interface- Square Taper JIS
Shell Width- 73mm
Material- Aluminium

Additional Info

Country of Origin: China
Imported By: Shimano South Asia Pvt Ltd. , 19 , (Ground Floor) Kumara Krupa Road , Bangalore – 560 001 , Karnataka , India.
Net Quantity: 1N
Customer Care Address: 291, 10 Main, 5 Block, Jayanagar, Bangalore - 560041. Ph: (080)47183232, Email: support@bumsonthesaddle.com
Commodity: Bottom Brackets