Shimano BB-UN300 Bottom Bracket | 68mm BSA Thread | 110mm Spindle | Sealed Cartridge
Shimano BB-UN300 Bottom Bracket | 68mm BSA Thread | 110mm Spindle | Sealed Cartridge is backordered and will ship as soon as it is back in stock.
Notify Me
Simply enter your email address and we will notify you when this product is back in stock
Pickup currently unavailable at Moynehall Retail Park
Delivery and Shipping
Delivery and Shipping
At Clarkes of Cavan, we are passionate about getting your order to you quickly and safely and we understand it is important for you to know when your order will be delivered.
Free delivery on orders over €99 applies in most cases (Ireland), where a product is excluded from this it will be noted on the product page. Some items are large and cannot be sent for free. Standard delivery costs apply to all other countries.
You will be provided with tracking information so you can keep an eye on your order at all times. Delivery of Bulk items (Pallet) may take a day or two extra.
Return Policy
Return Policy
We offer an exchange or refund on goods purchased online, and returned 14 days after purchase.
Shimano BB-UN300 Bottom Bracket | 68mm BSA Thread | 110mm Spindle | Sealed Cartridge is backordered and will ship as soon as it is back in stock.
Description
Description
The Shimano BB-UN300 is a high-quality, sealed cartridge bottom bracket designed for urban, trekking, and touring bikes. Its super-accurate bearings provide smooth operation, while the maintenance-free design keeps out dirt and water, ensuring long-term durability. With a square taper spindle and BSA threading, this bottom bracket is easy to install and offers a precise, secure fit for traditional chainsets.
Key Features & Benefits:
✔ Sealed Cartridge Bearings – Provides smooth operation and extended lifespan.
✔ BSA Threaded Bottom Bracket – 68mm width for compatibility with many urban, trekking, and classic bikes.
✔ 110mm Square Taper Spindle – Designed for traditional chainsets.
✔ Durable & Hard-Wearing Design – Keeps out dirt, mud, and water for low maintenance.
✔ Easy Installation – Quick setup with no adjustment required.
✔ Slim Profile – Allows clearance for cable routing under the bottom bracket.
Technical Specifications:
| Feature | Specification |
|---|---|
| Product Type | Bottom Bracket |
| Model | BB-UN300 |
| Bottom Bracket Type | BSA Threaded |
| Width | 68mm |
| Spindle Length | 110mm |
| Spindle Type | Square Taper |
| Bearing Type | Sealed Cartridge |
| Best For | Urban, Trekking & Touring Bikes |
| Colour | Silver |
Ideal For:
✔ Urban & commuter bikes needing a durable and smooth bottom bracket.
✔ Trekking & touring bikes requiring a reliable, maintenance-free solution.
✔ Cyclists replacing or upgrading their square taper bottom bracket.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
