--- product_id: 138980205 title: "KMC Unisex's S1 Wide Chain" brand: "kmc" price: "R$287" currency: BRL in_stock: true reviews_count: 13 category: "Kmc" url: https://www.desertcart.com.br/products/138980205-kmc-unisexs-s1-wide-chain store_origin: BR region: Brazil --- # 1/8” wide chain for max strength Snap-On master link for tool-free install Rust Buster anti-corrosion coating KMC Unisex's S1 Wide Chain **Brand:** kmc **Price:** R$287 **Availability:** ✅ In Stock ## Summary > 🔗 Ride Strong, Ride Smooth — The Chain That Keeps You Ahead ## Quick Answers - **What is this?** KMC Unisex's S1 Wide Chain by kmc - **How much does it cost?** R$287 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/138980205-kmc-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 - • **Smooth & Silent Ride:** Chamfered inner plates reduce friction for whisper-quiet, efficient pedaling. - • **Unmatched Durability:** Wide 1/8” profile engineered to withstand high torque and urban grind. - • **Effortless Maintenance:** Snap-On master link lets you install or remove your chain in seconds—no special tools needed. - • **Versatile Compatibility:** Perfectly tailored for single-speed, BMX, fixie, and internal gear hub bikes. - • **Weatherproof Performance:** KMC’s RB Rust Buster coating keeps your chain corrosion-free rain or shine. ## Overview The KMC Unisex S1 Wide Chain is a robust 1/8” wide single-speed chain designed for BMX, fixie, and internal gear hub bikes. Featuring KMC’s Rust Buster anti-corrosion coating and a Snap-On master link, it offers long-lasting durability, weather resistance, and easy installation. Its chamfered inner plates ensure a quieter, smoother ride, making it the go-to choice for urban riders demanding strength and reliability. ## 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: 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. Review: Needs a tool - Not used yet, needs a tool ## Features - Designed for Single‑Speed & Hub Gear Bikes - Ideal for single‑speed, internal gear hubs, BMX, track, fixie and commuter bikes, ensuring smooth and reliable power transfer - Rust Buster Anti‑Corrosion Protection - Features KMC’s RB (Rust Buster) coating, delivering excellent resistance to rain, road salt and moisture for longer service life and reduced maintenance - Wide 1/8” Chain for Strength & Stability - The 1/2” x 1/8” wide profile offers increased durability and security under high torque, perfect for urban riding and fixed‑gear use - Smooth & Quiet Running - Chamfered inner plates reduce interaction with the sprocket, improving efficiency and delivering a quieter, smoother ride experience - Includes Snap‑On Master Link - Supplied with a KMC Snap‑On quick link for easy installation and removal without specialist tools ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07J384P9N | | Best Sellers Rank | 6,779 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 16 in Cycling Chains | | Brand | KMC | | Country Of Origin | China | | Customer Reviews | 4.3 out of 5 stars 460 Reviews | | Global Trade Identification Number | 04715575891187 | | Included Components | 1x Chain & joining link | | Item Length | 1422.4 Millimetres | | Item Type Name | Single Speed Chain | | Item Weight | 100 Grams | | Item pitch | 0.5 inches inches | | Load Capacity | 2.5E+2 lbf | | Load capacity | 2.5E+2 lbf | | Manufacturer | KMC | | Manufacturer Part Number | BS1WRB112 | | Material | Alloy Steel | | Model Number | BS1WRB112 | | Pitch | 0.5 inches inches | | Plate Thickness | 8.6 Millimeters | | Plate thickness | 8.6 Millimeters | | Product Warranty | 2 year manufacturer | | Recommended Uses For Product | Single Speed, Internal Gear, BMX, Rail, Fixed Gear Systems | | Recommended uses for product | Single Speed, Internal Gear, BMX, Rail, Fixed Gear Systems | | Roller Diameter | 0.5 Inches | | Specification Met | [Other] Metal, likely meets basic industry standards for bicycle roller chains | | Strand Type | Single | | Unit Count | 1.0 count | ## Product Details - **Brand:** KMC - **Item pitch:** 0.5 inches inches - **Load capacity:** 2.5E+2 lbf - **Material:** Alloy Steel - **Plate thickness:** 8.6 Millimeters ## Images ![KMC Unisex's S1 Wide Chain - Image 1](https://m.media-amazon.com/images/I/61DSl3vOnRL.jpg) ![KMC Unisex's S1 Wide Chain - Image 2](https://m.media-amazon.com/images/I/51SOQr43H6L.jpg) ![KMC Unisex's S1 Wide Chain - Image 3](https://m.media-amazon.com/images/I/61Sdp56oulL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ 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. ### ⭐⭐⭐⭐⭐ Needs a tool *by A***G on 9 August 2026* Not used yet, needs a tool ### ⭐⭐⭐⭐⭐ Veey Chainy *by D***H on 8 August 2026* Good job it's unisex ## Frequently Bought Together - KMC Unisex's S1 Wide Chain - Oumers Universal Bike Chain Tool with Chain Hook, Road and Mountain Bicycle Chain Repair Tool, Bike Chain Splitter Cutter Breaker, Bicycle Remove and Install Chain Breaker Spliter Chain Tool --- ## 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.com.br/products/138980205-kmc-unisexs-s1-wide-chain](https://www.desertcart.com.br/products/138980205-kmc-unisexs-s1-wide-chain) --- *Product available on Desertcart Brazil* *Store origin: BR* *Last updated: 2026-08-13*