--- product_id: 173722393 title: "Unisex's S1 Wide Chain" brand: "kmc" price: "₩40345" currency: KRW in_stock: true reviews_count: 13 category: "Kmc" url: https://www.desertcart.kr/products/173722393-unisexs-s1-wide-chain store_origin: KR region: South Korea --- # Brushless for quiet ride Single speed, 112 links Anti-drop, reinforced durability Unisex's S1 Wide Chain **Brand:** kmc **Price:** ₩40345 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Ride Strong, Ride Silent, Ride Ahead! ## Quick Answers - **What is this?** Unisex's S1 Wide Chain by kmc - **How much does it cost?** ₩40345 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/173722393-unisexs-s1-wide-chain) ## Best For - kmc enthusiasts ## Why This Product - Trusted kmc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Whisper-Quiet Brushless Construction:** Experience smooth, noise-free rides that keep your focus on the road. - • **High Pin Power with Reinforced Durability:** Built to withstand intense pedaling with a tensile strength of 3597 lbs per inch. - • **Anti-Drop Design for Ultimate Ride Security:** Wider, thicker plates ensure your chain stays locked in place, no slip-ups. - • **Precision Engineered for Single Speed Mastery:** Optimized 1/2" x 1/8" pitch fits BMX, track & fixed gear bikes flawlessly. - • **Ready to Roll with 112 Links & Easy Installation:** Generous length and compatible with standard chain tools for hassle-free setup. ## Overview The KMC Unisex S1 Wide Chain is a premium single-speed bicycle chain designed for BMX, track, and fixed gear bikes. Featuring an anti-drop design with wider, thicker plates and brushless construction, it delivers enhanced durability and a quieter riding experience. With 112 links and a tensile strength exceeding 3500 lbs per inch, this chain ensures reliable performance and easy installation, backed by a 2-year manufacturer warranty. ## Description From the manufacturer The KMC S1 chain is designed for heavy-duty BMX freestyle and track bikes Compatible with all Single speed internal gear BMX Track and Fixed gear Anti-Drop Design - Wider, Thicker, Safer Brushless construction - Quieter Riding Experience High Pin Power with Reinforced Durability Size: 1/2" X 1/8" - 112 links Pin Length: 8.6 mm Less weight means more air. We get it. So we designed this chain to be lightweight yet very strong so you can challenge any move you want without reservation. This no-chain-drop, extra thick outer plate, super snug fit design is for you to push your limits, crush all barriers, and fly through the air. And look cool while doing it. Chamfering . Edges on the inside of inner plates of the chain are specially shaped to improve smoother and more silent running Review: It's a chain, for a single speed bike. - It's a chain. For a single speed bike. Nothing more exciting than than really. It does exactly what you want it to do. Doesn't snap, which is quite important. Take the plunge! Review: Good good - This item did the job. Plenty of links and easy to install provided you have a chain tool that can drive pin out to remove the required number of links. As for delivery. On this rare occasion, desertcart managed to deliver on time. ## Features - Single speed, internal gear, BMX, track and fixed gear - Anti-Drop Design - Wider, Thicker, Safer - Brushless construction - Quieter Riding Experience - High Pin Power with Reinforced Durability - Size: 1/2" X 1/8" - 112 links - Pin Length: 8.6 mm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07J2SYXFK | | Best Sellers Rank | 7,021 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 22 in Cycling Chains | | Brand | KMC | | Country Of Origin | Taiwan | | Customer Reviews | 4.3 out of 5 stars 434 Reviews | | Global Trade Identification Number | 04715575891132 | | Included Components | 1x Single Speed Chain | | Item Length | 56 Inches | | Item Type Name | Kmc Chain | | Item Weight | 200 Grams | | Item pitch | 0.5 inches inches | | Load Capacity | 2E+2 N (tensile) | | Load capacity | 2E+2 N (tensile) | | Manufacturer | KMC | | Manufacturer Part Number | BS1WBR112 | | Material | Metal | | Model Number | BS1WBR112 | | Number of Links | 112 | | Number of links | 112 | | Pitch | 0.5 inches inches | | Plate Thickness | 0.13 Inches | | Plate thickness | 0.13 Inches | | Product Warranty | 2 year manufacturer | | Recommended Uses For Product | Single speed bikes, internal gear bikes, BMX bikes, track bikes, and fixed gear bikes | | Roller Diameter | 8.6 Millimeters | | Specification Met | Metal | | Strand Type | Single | | Tensile Strength | 3597.16 Pounds Per Inch | | Unit Count | 1.0 count | ## Product Details - **Brand:** KMC - **Item pitch:** 0.5 inches inches - **Load capacity:** 2E+2 N (tensile) - **Material:** Metal - **Number of links:** 112 ## Images ![Unisex's S1 Wide Chain - Image 1](https://m.media-amazon.com/images/I/617sV3iHEzL.jpg) ![Unisex's S1 Wide Chain - Image 2](https://m.media-amazon.com/images/I/51djvxjrnBL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ It's a chain, for a single speed bike. *by H***S on 14 April 2026* It's a chain. For a single speed bike. Nothing more exciting than than really. It does exactly what you want it to do. Doesn't snap, which is quite important. Take the plunge! ### ⭐⭐⭐⭐⭐ Good good *by C***N on 12 October 2025* This item did the job. Plenty of links and easy to install provided you have a chain tool that can drive pin out to remove the required number of links. As for delivery. On this rare occasion, Amazon managed to deliver on time. ### ⭐⭐⭐⭐⭐ Great chain. *by M***Y on 15 October 2025* Its definitely a bike chain! Its even the one advertised! Who would've thought?! I purchased the thing I needed and it turned up as described! Amazing! ## Frequently Bought Together - KMC Unisex's S1 Wide Chain - KMC Single Speed EPT Snap-On Link, Dark Silver, Wide (1/8") --- ## 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.kr/products/173722393-unisexs-s1-wide-chain](https://www.desertcart.kr/products/173722393-unisexs-s1-wide-chain) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-06-03*