---
product_id: 481740896
title: "JRC ComponentsHeadset Stem Top Cap | Lightweight Aerospace Grade 6061-T6 Aluminium Topcap & Bolt | Compatible with All Road & Mountain 1-1/8\" Steerer"
brand: "jrc components"
price: "S$33"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/481740896-jrc-componentsheadset-stem-top-cap-lightweight-aerospace-grade-6061-t6
store_origin: SG
region: Singapore
---

# Ultra Lightweight 3.5g CNC Machined Precision Weather Resistant JRC ComponentsHeadset Stem Top Cap | Lightweight Aerospace Grade 6061-T6 Aluminium Topcap & Bolt | Compatible with All Road & Mountain 1-1/8" Steerer

**Brand:** jrc components
**Price:** S$33
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride Light, Ride Right!

## Quick Answers

- **What is this?** JRC ComponentsHeadset Stem Top Cap | Lightweight Aerospace Grade 6061-T6 Aluminium Topcap & Bolt | Compatible with All Road & Mountain 1-1/8" Steerer by jrc components
- **How much does it cost?** S$33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/481740896-jrc-componentsheadset-stem-top-cap-lightweight-aerospace-grade-6061-t6)

## Best For

- jrc components enthusiasts

## Why This Product

- Trusted jrc components brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek Aesthetic:** Elevate your bike's style with a stunning anodized finish.
- • **Light as a Feather:** Weighs only 3.5g, making it one of the lightest options available.
- • **Unmatched Durability:** Crafted from aerospace-grade 6061-T6 aluminum for long-lasting performance.
- • **Precision Engineering:** CNC machined for a perfect fit and enhanced functionality.
- • **Universal Compatibility:** Fits all standard 1-1/8" steerer tubes for versatile use.

## Overview

The JRC Components Headset Stem Top Cap is a premium accessory designed for road, mountain, and gravel bikes. Made from lightweight aerospace-grade 6061-T6 aluminum, it features a unique anodized finish and is compatible with all standard 1-1/8" steerer tubes. Weighing just 3.5g, this top cap combines style, durability, and precision engineering to enhance your biking experience.

## Description

JRC ComponentsHeadset Stem Top Cap | Lightweight Aerospace Grade 6061-T6 Aluminium Topcap & Bolt | Compatible with All Road & Mountain 1-1/8" Steerer

## Features

- - UNIQUE DESIGN - The Black Ahead Stem Pathway Design Top Cap comes in an eye-catching anodized design to match with other coloured parts throughout your bike
- - ATTRACTIVE FINISH - The 6061 Aluminum Stem Caps are first fully CNC Machined before being anodised and finished with our JRC Components etching.
- - DURABLE QUALITY - The top cap is made with aerospace grade 6061-T6 aluminum and paired with a lightweight 7075-T6 Aluminum bolt. In addition to being lightweight, is the both durable and weather resistant, enchancing your bike's aesthetic design for many years to come.
- - LIGHTWEIGHT - The top caps are incredibly lightweight at just 3.5g (+2.5g for the alloy bolt), making it one of the lightest on the market.
- - COMPATIBLE WITH A WIDE VARIETY OF BIKES - The size and fit of the Ahead Stem Topcap are based on the most common 1 1/8" size, making it compatible with a wide variety of Road, MTB and Gravel Bikes on the market.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 5.75 x 3.82 x 0.43 inches |
| Package Weight | 0.03 Kilograms |
| Brand Name | JRC Components |
| Color | Black |
| Material | Aluminum |
| Manufacturer | JRC Components |
| Part Number | SMP-0039-BLK |
| Style | Pathway |

## Images

![JRC ComponentsHeadset Stem Top Cap | Lightweight Aerospace Grade 6061-T6 Aluminium Topcap & Bolt | Compatible with All Road & Mountain 1-1/8" Steerer - Image 1](https://m.media-amazon.com/images/I/51TyXpKQF8L.jpg)
![JRC ComponentsHeadset Stem Top Cap | Lightweight Aerospace Grade 6061-T6 Aluminium Topcap & Bolt | Compatible with All Road & Mountain 1-1/8" Steerer - Image 2](https://m.media-amazon.com/images/I/61czqLWIx3L.jpg)
![JRC ComponentsHeadset Stem Top Cap | Lightweight Aerospace Grade 6061-T6 Aluminium Topcap & Bolt | Compatible with All Road & Mountain 1-1/8" Steerer - Image 3](https://m.media-amazon.com/images/I/51LfR+KzgtL.jpg)
![JRC ComponentsHeadset Stem Top Cap | Lightweight Aerospace Grade 6061-T6 Aluminium Topcap & Bolt | Compatible with All Road & Mountain 1-1/8" Steerer - Image 4](https://m.media-amazon.com/images/I/61CtfLhXhKL.jpg)
![JRC ComponentsHeadset Stem Top Cap | Lightweight Aerospace Grade 6061-T6 Aluminium Topcap & Bolt | Compatible with All Road & Mountain 1-1/8" Steerer - Image 5](https://m.media-amazon.com/images/I/71gzNoFjxoL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.sg/products/481740896-jrc-componentsheadset-stem-top-cap-lightweight-aerospace-grade-6061-t6](https://www.desertcart.sg/products/481740896-jrc-componentsheadset-stem-top-cap-lightweight-aerospace-grade-6061-t6)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-27*