---
product_id: 248095233
title: "Carbon Road Bike Aero Bars - 400mm Drop Bars, 31.8mm Width, Matte Finish, Wind-Resistant"
brand: "rxl sl"
price: "¥17034"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/248095233-carbon-road-bike-aero-bars-400mm-drop-bars-31-8mm
store_origin: JP
region: Japan
---

# Ultra-light 210g T700 carbon fiber Wind-resistant aerodynamic design High-temp joint & anti-shock durability Carbon Road Bike Aero Bars - 400mm Drop Bars, 31.8mm Width, Matte Finish, Wind-Resistant

**Brand:** rxl sl
**Price:** ¥17034
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride Light, Ride Fast, Ride Ahead!

## Quick Answers

- **What is this?** Carbon Road Bike Aero Bars - 400mm Drop Bars, 31.8mm Width, Matte Finish, Wind-Resistant by rxl sl
- **How much does it cost?** ¥17034 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/248095233-carbon-road-bike-aero-bars-400mm-drop-bars-31-8mm)

## Best For

- rxl sl enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** 31.8mm diameter with 400mm width and ergonomic 127mm drop ensures perfect control and comfort.
- • **Aerodynamic Edge:** Wind-breaking design and internal cable routing slash drag, giving you that competitive speed boost.
- • **Safety Meets Style:** Granule paint near brake mounts enhances grip and safety without compromising sleek matte 3K carbon aesthetics.
- • **Featherweight Power:** At just ~210g, these T700 carbon bars redefine lightweight performance for your road bike.
- • **Comfort-Driven Design:** Expanded upper hand grip supports your palms, reducing fatigue on long rides and elevating your cycling class.

## Overview

Crafted from premium T700 carbon fiber, these 400mm drop bars combine ultra-lightweight strength with aerodynamic efficiency. Featuring a matte 3K finish, wind-resistant shaping, and enhanced brake grip zones, they deliver superior control, comfort, and style for serious road cyclists aiming to upgrade their ride.

## Description

Carbon Road Bike Aero Bars - 400mm Drop Bars, 31.8mm Width, Matte Finish, Wind-Resistant

## Features

- 1.Road handlebars material: T700 Carbon Fiber; Weight:Approx 210g±10g; 400mm drop bars carbon color:Black;
- 2.Handlebar diameter:31.8mm; Aero Bars for Road Bike handle bars width:400/420/440mm; Drop:127mm; Reach:104mm; Carbon Bike Handlebar appearance:3K Matte;
- 3.Carbon Fiber road bike handlebars compares to Aluminum Alloy:Lighter in weight.Much more beautiful in appearance. Brighter in Color. Stronger in pressure resistance. Anti-Shock. Has proper elasticity, improving your bicycle’s class in minutes.
- 4.This style is one of the standard mold of modern road racing bike,its tortuosity is especially made to fits the brake system, and in the position of the brake system, we prayed it with a layer of granule paint to increase the friction between the brake handle and the handlebar, providing you a safer and comfortable riding.
- 5.The corner is high temperature joint treated, passed impact test, adopted wind-breaking design and internally routing to reduce the wind resistance while riding. the bent bar has great balance ability, applies for most fixtures. the Upper Hand Grip part has been expanded to rest your palm, makes you more comfortable.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | RXL SL |
| Brand | RXL SL |
| Model | Carbon fiber Road Bike Handlebars bicicleta de ruta Aero Bars for Road Bike handle bars 400mm drop bars carbon 31.8 bars |
| Item Weight | 7.4 ounces |
| Product Dimensions | 15.75 x 4.09 x 0.04 inches |
| Item model number | RXLSL20180058 |
| Manufacturer Part Number | RXLSL20180058 |

## Product Details

- **Color:** E-Black 3K Matte
- **Brand:** RXL SL
- **Product Dimensions:** 15.75"L x 4.09"W
- **Manufacturer:** RXL SL
- **UPC:** 606212903162

## Images

![Carbon Road Bike Aero Bars - 400mm Drop Bars, 31.8mm Width, Matte Finish, Wind-Resistant - Image 1](https://m.media-amazon.com/images/I/41AqJAbk02L.jpg)

## Available Options

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

## Questions & Answers

**Q: Can the bars be used with any 31.8mm stem?**
A: The diameter of the handle bar is 31.8mm, it can be installed well with any stem with the same diameter. However as this drop bar is made of carbon fiber, we suggest to use carbon stem with it.

**Q: Is installation difficult? Do they require special tools for installation?**
A: No, the installation method of the bicycle handlebar is easy, no special installation requirements for these carbon bike handlebar, use hex wrench to insall is ok.

**Q: Does this handlebar reduce wind resistance? Is its weight suitable for racing?**
A: Yes, this carbon handlebar is flat-design, can reduce wind resistance on cycling. And made of lightweight carbon fiber, which is perfectly choice for racing.

**Q: Do they come pre-drilled for internal wiring?**
A: Yes, there are 4 holes pre-drilled on the handle bar, can support for internal wiring routing.

**Q: Have buyers noticed any flex when braking hard?**
A: The handlebars do flex slightly when riding out of the saddle or climbing hard, which is expected with carbon fiber bars and helps absorb road vibrations, reduces hand soreness.

## Frequently Bought Together

- Carbon Bike Handlebar road handlebars Aero Bars for Road Bike handle bars 400mm drop bars carbon 31.8 bars flat road bike handlebars 3K Matte bike drop handlebars reduce wind-resistance
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**Shop now:** [https://www.desertcart.jp/products/248095233-carbon-road-bike-aero-bars-400mm-drop-bars-31-8mm](https://www.desertcart.jp/products/248095233-carbon-road-bike-aero-bars-400mm-drop-bars-31-8mm)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-01*