--- product_id: 403510912 title: "Bike-Ball-Bearing-Retainer, Bicycle-Ball-Bearings, 5/16\" x 7-Balls-Bike-Crank - 4 Pcs Replacement Mountain Bike Parts Repair Accessories for MTB Bicycle Crank Bottom Bracket" brand: "jaceyon" price: "VT13981" currency: VUV in_stock: true url: https://www.desertcart.vu/products/403510912-bike-ball-bearing-retainer-bicycle-ball-bearings-5-16-x store_origin: VU region: Vanuatu --- # Precision 5/16" ball diameter Durable high-intensity steel Fits MTB & versatile bike types Bike-Ball-Bearing-Retainer, Bicycle-Ball-Bearings, 5/16" x 7-Balls-Bike-Crank - 4 Pcs Replacement Mountain Bike Parts Repair Accessories for MTB Bicycle Crank Bottom Bracket **Brand:** jaceyon **Price:** VT13981 **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your ride with precision and power! ## Quick Answers - **What is this?** Bike-Ball-Bearing-Retainer, Bicycle-Ball-Bearings, 5/16" x 7-Balls-Bike-Crank - 4 Pcs Replacement Mountain Bike Parts Repair Accessories for MTB Bicycle Crank Bottom Bracket by jaceyon - **How much does it cost?** VT13981 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/403510912-bike-ball-bearing-retainer-bicycle-ball-bearings-5-16-x) ## Best For - jaceyon enthusiasts ## Why This Product - Trusted jaceyon brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Risk-Free Upgrade:** Backed by responsive 24-hour support and satisfaction guarantee—ride with confidence. - • **Smooth Spin, Every Time:** 7 high-quality stainless steel balls reduce friction for effortless pedaling. - • **Universal Compatibility:** Perfect replacement for mountain bikes, kids’ bikes, lowriders, and more—never miss a ride. - • **Built to Endure Every Ride:** Crafted from premium steel for unmatched durability and long-lasting strength. - • **Precision Fit for Peak Performance:** Exact 1.46" outer & 0.94" inner diameter ensures seamless crank compatibility. ## Overview This 4-piece set of 5/16" stainless steel ball bearing retainers is designed for mountain bike crank bottom brackets. With exact dimensions (1.46" outer, 0.94" inner diameter) and 7 durable steel balls per retainer, it ensures smooth, reliable performance across various bike types. Engineered for longevity and backed by a satisfaction guarantee, it’s the essential upgrade for any serious cyclist. ## Description Bike-Ball-Bearing-Retainer, Bicycle-Ball-Bearings, 5/16" x 7-Balls-Bike-Crank - 4 Pcs Replacement Mountain Bike Parts Repair Accessories for MTB Bicycle Crank Bottom Bracket ## Features - 【Application:】: This kind of ball bearing stainless steel ball inlaid in the retainer design,It is a bicycle parts, it's suitable for replacing the crank bearing of the bicycle. - 【Dimensions and specifications】:OUTER DIAMETER: 1.46 inch, INNER DIAMETER: 0.94 inch, BALL DIAMETER: 5/16 inch. Please confirm whether this size is suitable for your bicycle before you buy them!!!!!!!!!!!!!! - 【Material】: This ball bearing retainer made of steel, high quality, durable and high intensity. - 【Widely usage】: This beads rack for bike parts replacement, suitable for ordinary bicycles, mountain bikes, kids bicycle, lowrider bikes, stretch bicycles. - 【Satisfaction guarantee】: Your purchase is fully protected when you order today. If you are not satisfied with with our products, contact us any time, We will get you back within 24 hours try our best to make things right. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08MFBZW5K | | Brand Name | Jaceyon | | Color | Silver | | Customer Reviews | 4.4 4.4 out of 5 stars (298) | | Date First Available | November 2, 2020 | | Included Components | 4 Ball Bearings | | Item Dimensions LxWxH | 1.48 x 1.48 inches | | Item Package Dimensions L x W x H | 3.19 x 3.19 x 0.67 inches | | Item Weight | 76 Grams | | Manufacturer | Jaceyon | | Material | Aluminum | | Model Name | 5/16 Ball Bearing | | Package Weight | 0.09 Kilograms | | Part Number | J-ZJ2020001 | | Size | Ball Retainer For Crank | | Suggested Users | unisex-adult | | Warranty Description | Limited | ## Images ![Bike-Ball-Bearing-Retainer, Bicycle-Ball-Bearings, 5/16" x 7-Balls-Bike-Crank - 4 Pcs Replacement Mountain Bike Parts Repair Accessories for MTB Bicycle Crank Bottom Bracket - Image 1](https://m.media-amazon.com/images/I/718UADLVZXL.jpg) ## Questions & Answers **Q: Will this fit a mafia medusa 26 inch?** A: I have no idea, this is the specific size of the bearing,（OUTER DIAMETER: 1.46 inch/37.5mm, INNER DIAMETER: 0.94 inch/24mm, BALL DIAMETER: 516 inch） you can compare it with your bicycle crank. thank you! ## Frequently Bought Together - Jaceyon Bike-Ball-Bearing, Bicycle-Crank-Bearings, 5/16" x 7-Balls-Bike-Crank -Bearing, 4 Pcs Replacement MTB Part for Bike Crank or Bottom Bracket - Finish Line Premium Grease made with Teflon Fluoropolymer, 3.5 Ounce - Jaceyon Bike-Ball-Bearing-Retainer, Bicycle-Ball-Bearings, 5/16" x 9-Balls-Bike-Crank - 4 Pcs Replacement Mountain Bike Parts Repair Accessories for MTB Bicycle Crank Bottom Bracket --- ## 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.vu/products/403510912-bike-ball-bearing-retainer-bicycle-ball-bearings-5-16-x](https://www.desertcart.vu/products/403510912-bike-ball-bearing-retainer-bicycle-ball-bearings-5-16-x) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-11*