--- product_id: 231227897 title: "Shimano Square Type Bicycle Bottom Bracket" brand: "shimano" price: "€ 37.78" currency: EUR in_stock: true category: "Shimano" url: https://www.desertcart.be/products/231227897-shimano-square-type-bicycle-bottom-bracket store_origin: BE region: Belgium --- # Aluminum adapter for lightweight durability 86.5mm Press Fit precision Enhanced chainline stability with stabilizer Shimano Square Type Bicycle Bottom Bracket **Brand:** shimano **Price:** € 37.78 **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your ride with precision and power – because every pedal stroke counts! ## Quick Answers - **What is this?** Shimano Square Type Bicycle Bottom Bracket by shimano - **How much does it cost?** € 37.78 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/231227897-shimano-square-type-bicycle-bottom-bracket) ## Best For - shimano enthusiasts ## Why This Product - Trusted shimano brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Press Fit:** Seamlessly integrates with your JIS square-taper crankset for flawless performance. - • **Trusted Shimano Quality:** Backed by a 4.6-star rating and industry-leading standards for peace of mind on every ride. - • **Chainline Stabilizer Tech:** Keeps your drivetrain perfectly aligned, maximizing power transfer and minimizing wear. - • **Shimano Cartridge Bearings:** Engineered for smooth rotation and long-lasting reliability under all riding conditions. - • **Lightweight Aluminum Adapter:** Durable yet featherlight, reducing overall bike weight without compromising strength. ## Overview The SHIMANOROAD Bottom Bracket 86.5mm Press FIT Black is a high-performance bicycle component designed to fit JIS square-taper cranksets. Featuring a lightweight aluminum adapter and Shimano’s renowned cartridge bearings, it ensures smooth, durable operation. Its chainline stabilizer enhances drivetrain efficiency, making it a trusted choice for cyclists seeking reliable, precision-engineered parts. ## Description 5 JJ-----Shimano BB-UN300 BOTTOM BRACKET - STANDARD -SHIMANO quality/performance cartridge bearing square bottom bracket -Better chainline stability with chain line stabilizer -Series: Shimano Tourney TX800 Series -Fits JIS square-taper cranksets -Hollow spindle -w/o fixing bolts -Adapter material: Aluminum. 1009904(014-023)3/16 --#22123(10:2/23/23:ARI 22723(30: 3/7/23:ARI---1:rtn on 3/20/23---1:rtn on 5/19/23----1:RTN ON 5/15/23 101623(20:10/30/23:ari 122623(20:1/4/24:ari 122823(20:1/4/24:ari----1:RTN ON 1/19/24 ## Features - Fits JIS square-taper cranksets - Adapter material: Aluminum - SHIMANO quality/performance cartridge bearing square bottom bracket - Better chainline stability with chain line stabilizer ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08C786DW8 | | Bearing Number | EBBUN300B22X | | Best Sellers Rank | #99,395 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #38 in Bike Bottom Brackets | | Brand | SHIMANO | | Brand Name | SHIMANO | | Compatible Lubricant | Grease | | Customer Reviews | 4.6 out of 5 stars 586 Reviews | | Included Components | Bottom Brackets | | Item Dimensions | 5.63 x 2.03 x 1.91 inches | | Item Type Name | Bottom Bracket | | Item Weight | 300 g | | Item dimensions L x W x H | 5.63 x 2.03 x 1.91 inches | | Manufacturer | Shimano | | Material | Metal | | Material Type | Metal | | Model | EBBUN300B22X m | | Number of Items | 1 | | Part Number | EBBUN300B22X | | Set Name | EBBUN300B22X | | Specification Met | Manufacturer Standards | | UPC | 192790619156 | | Unit Count | 1 Count | | Warranty Description | Limited Warranty | ## Images ![Shimano Square Type Bicycle Bottom Bracket - Image 1](https://m.media-amazon.com/images/I/51PPpbGvVfL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: The tittle says 110 mm long but the image says 123, shall I trust its a 110mm ?** A: Different lengths may be available depending on the part number chosen. The same image may be used for multiple products of similar type. **Q: Is this equal to a shiman0 un26, 68x127,5mm bottom bracket.** A: Please watch RJ the bike guy's How To Upgrade Vintage Bike With Sealed Cartridge Bottom Bracket in YouTube **Q: Will this fit a mongoose sycamore 26in mountain bike** A: when you remove the old one read the dimensions on the bb. you can even take a measuring tape and measure the hole. don't throw away the used one until the new one is found and installed. maybe youtube your bike repair. **Q: How much does this bottom bracket weigh?** A: Amazon’s specs say .29 Kg. As the package weight. The packaging would not be significant. ## Frequently Bought Together - SHIMANO Square Type Bicycle Bottom Bracket - BSA 68MM, Spindle: 122.5MM - EBBUN300B22X - BIKEHAND Bike Bicycle Compatible with Shimano Bottom Bracket Removal Remover Tool - Park Tool PolyLube 1000 Bicycle Grease --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/231227897-shimano-square-type-bicycle-bottom-bracket](https://www.desertcart.be/products/231227897-shimano-square-type-bicycle-bottom-bracket) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-09-21*