---
product_id: 401129900
title: "Bike-Chains S1"
brand: "kmc"
price: "¥6781"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/401129900-bike-chains-s1
store_origin: JP
region: Japan
---

# Lightweight 399g design Alloy steel durability 1/8 inch precision chain Bike-Chains S1

**Brand:** kmc
**Price:** ¥6781
**Availability:** ✅ In Stock

## Summary

> ⛓️ Ride the Gold Standard in Single-Speed Performance!

## Quick Answers

- **What is this?** Bike-Chains S1 by kmc
- **How much does it cost?** ¥6781 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/401129900-bike-chains-s1)

## 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

- • **Masterlink Included:** Easy installation and maintenance with included masterlink
- • **Featherlight at 399g:** Ultra-lightweight design to keep your ride swift and agile
- • **Striking Gold Finish:** Stand out on the road with a bold, stylish gold chain
- • **Premium Alloy Steel Build:** Engineered for strength and long-lasting wear resistance
- • **Precision Single-Speed Fit:** Optimized 1/8 inch chain width for flawless fixed-gear performance

## Overview

The KMC Bike-Chains S1 is a 1/8 inch single-speed bicycle chain crafted from durable alloy steel, weighing just 399 grams. Designed for fixed-gear road bikes, it features a precise 112-link length and includes a masterlink for easy installation. Its eye-catching gold finish combines style with high-performance reliability, making it the perfect upgrade for millennial cyclists who demand both function and flair.

## Description

KMCBike-Chains S1

## Features

- Package length: 2.286 cm
- Package width: 10.16 cm
- Package height: 10.668 cm
- Product Type: BICYCLE

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Age Range | Adult |
| Bike Type | Fixed-Gear Bike |
| Color | GOLD |
| Size | 112L |
| Style | Does Not Apply |
| Height | 1 inches |
| Length | 4 inches |
| Width | 9 millimeters |
| Material Type | Alloy Steel |
| Number of Items | 10 |
| Number of Speeds | 1 |
| Usage | Road |
| Sport | Cycling |
| Included Components | MASTERLINK |
| Batteries Included? | No |
| Brand | KMC |
| Department | unisex-adult |
| Manufacturer | KMC |
| Item model number | S1 x 112L, GOLD |
| Product Dimensions | 152.4 x 1.27 x 1.27 cm; 317.51 g |
| ASIN | B07NR8BVT3 |

## Product Details

- **Load capacity:** 2.5E+2 lbs
- **Brand:** KMC
- **Item pitch:** 0.5 Inches
- **Material:** Alloy Steel
- **Plate thickness:** 8.6 Millimeters

## Images

![Bike-Chains S1 - Image 1](https://m.media-amazon.com/images/I/81b2HZXu+wL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: will this rust?**
A: Yes all chains will rust if not properly cleaned and maintained. Try not to expose your chain to moisture and if/when this happens clean and dry it before re lubricating. WD40 sells a bike chain cleaner that works well

**Q: Would this be long enough for a fixie? (47t-16t on 700c wheels)**
A: You should be able to calculate the gear inches and compare that with chain length.

**Q: Is the master link included with this?**
A: yhea a master link is included but i always use a chain beaker to fit  my chains. i have bought this chain numerous times and it has never let me down. i highly recommend this chain.

**Q: Does it come with master link and clip?**
A: yes

## Frequently Bought Together

- KMC Bike-Chains S1
- 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
- KMC Z410NP Connect Link, 1/8-Inch

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**Shop now:** [https://www.desertcart.jp/products/401129900-bike-chains-s1](https://www.desertcart.jp/products/401129900-bike-chains-s1)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-21*