Home > All Products > Brand > RISK > RISK Carbon Fiber Headset Cap for Mountain and Road Bikes Stem Cap for OD2 Forks Titanium Alloy Screws Bolts RA112

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RISK RA112 Carbon Fiber Bike Headset Top Cap with TC4 Titanium Bolt for 28.6mm / OD2 31.8mm Forks

Name: RISK RA112 Carbon Fiber Bike Headset Top Cap with TC4 Titanium Bolt for 28.6mm / OD2 31.8mm Forks
Brand: DJC Bikes - DJC Components
Price: 11.74 USD
Availability: InStock

$11.74 ~~$16.30~~

-28%

RISK RA112 Carbon Fiber Bike Headset Top Cap with TC4 Titanium Bolt for 28.6mm / OD2 31.8mm Forks.

Options: 28.6 Headset Cap + Titanium Alloy Screws; OD2 Headset Cap + Titanium Alloy Screws. Match the complete option combination to your setup.

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Specifications
Warranty FAQ

RISK RA112 Carbon Fiber Bike Headset Top Cap with TC4 Titanium Bolt for 28.6mm / OD2 31.8mm Forks

The RISK RA112 Carbon Fiber Headset Top Cap Set is designed for lightweight bike stem and headset upgrades. Made from CNC-machined carbon fiber and paired with a TC4 titanium alloy M6 bolt, this set offers a clean premium for look while reducing weight compared with standard metal top caps.

Available in two versions, the RA112 fits both common 28.6mm fork steerer tubes and non-standard OD2 31.8mm fork steerer tubes. The OD2 version is especially suitable for compatible Giant Contact / Contact SL style stems and can create a clean hidden-style appearance after installation.

Each set includes 1 carbon fiber headset top cap and 1 matching TC4 titanium bolt. It is ideal for road bikes, mountain bikes, gravel bikes, and performance bicycles using compatible fork steerer sizes.

This product includes the headset top cap and matching bolt only. Stem and other parts shown in images are for display purposes only.

Key Features

Brand: RISK
Model: RA112
Product Name: Carbon Fiber Headset Top Cap Set
Material: Carbon fiber top cap + TC4 titanium alloy bolt
Top Cap Process: CNC-machined carbon fiber
Bolt Specification: M6 × 30mm titanium bolt
Available Sizes:
- 28.6mm — for standard fork steerer outer diameter 28.6mm
- OD2 31.8mm — for non-standard OD2 fork steerer outer diameter 31.8mm
Set Weight: Approx. 10.5g per bag
Reference Weight: 28.6mm cap only approx. 2.42g; 28.6mm cap + titanium bolt approx. 5.77g
Package: RISK branded bag
Package Size: Approx. 10 × 6 × 1.5cm
Application: Stem top cap / headset compression cap upgrade
Suitable For: MTB, road bikes, gravel bikes, and bikes with compatible fork steerer sizes

RISK RA112 Carbon Fiber Bike Headset Top Cap with TC4 Titanium Bolt for 28.6mm / OD2 31.8mm Forks

Available Options

Each row below is one available option combination. Choose the complete combination that matches your setup.

Option 1
28.6 Headset Cap + Titanium Alloy Screws
OD2 Headset Cap + Titanium Alloy Screws

All Taxes & Duties Included • Fast Delivery (8–12 Days) • No Hidden Fees • 6-Month Warranty

1 How long is the warranty?
We offer 6 months limited warranty to all products because of the quality defects. We offer lifetime payable repair service after the warranty.

2 Do need to pay tax duty when package arrive my country?
You no need to pay tax when package arrive your country, most countries in the world no need pay.
USA aslo no need tax duty and tariff, our carrier will cover it.

Brazil, Chile, Columbia clients need pay import duty when package arrive your country.

3 Can I return the goods if I am not like it?
Yes you can apply return and refund when you receive the product within 7 days. But as return shipping fee is relatively high when send back to China, so we suggest you consider and carefully before purchase.

Or you can send message to us and discuss technical issues to clarify if the products is what you need, and then pay after you sure your order is correct.

4 How long is the shipping time?
To most countries 7-15days can arrive your address. Pay extra 20USD if want ship by Fedex DHL UPS.

5 How can I know the tracking number?
We will send the tracking code to your email automatically after we send the package. check the track update here https://www.17track.net/en

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