Home > All Products > Brand > RISK > RISK Bicycle Oil Disc Bleed Nipple Cover Dust Plug Screw Cap Rubber Plug DA Protective Cover 105UT For R7170/R8170/R9270

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RISK Bicycle Oil Disc Bleed Nipple Cover Dust Plug Screw Cap Rubber Plug DA Protective Cover 105UT For R7170/R8170/R9270

Name: RISK Bicycle Oil Disc Bleed Nipple Cover Dust Plug Screw Cap Rubber Plug DA Protective Cover 105UT For R7170/R8170/R9270
Brand: DJC Bikes - DJC Components
SKU: 3256809692414924
Price: 9.87 USD
Availability: InStock

$9.87 ~~$13.70~~

-28%

RISK Bicycle Oil Disc Bleed Nipple Cover Dust Plug Screw Cap Rubber Plug DA Protective Cover 105UT For R7170/R8170/R9270.

RA156 – designed for the brake caliper bleed nipple / oil injection nozzle.

RA157 – designed for the bleed screw / oil screw position.

Options: RA156; RA157.

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Specifications
Warranty FAQ

RISK Bicycle Oil Disc Bleed Nipple Cover Dust Plug Screw Cap Rubber Plug DA Protective Cover 105UT For R7170/R8170/R9270

RISK RA156 / RA157 Road Bike Hydraulic Disc Brake Dust Plugs

The RISK RA156 / RA157 Hydraulic Disc Brake Dust Plugs are small but useful replacement parts for road bike hydraulic disc brake calipers. Made from flexible silicone, these plugs help cover and protect the brake caliper bleed port, bleed nipple, or bleed screw area from dust, dirt, water, and road debris.

Two versions are available:

RA156 – designed for the brake caliper bleed nipple / oil injection nozzle
RA157 – designed for the bleed screw / oil screw position

Each pack includes 4 dust plugs, making it a convenient spare set for road bike maintenance. The plugs are lightweight, compact, and suitable for riders who want to keep their brake calipers clean and protected.

They are suitable for selected road hydraulic disc brake systems, including for Shimano 105 / Ultegra / Dura-Ace series, such as R7170, R8170, and R9270.

Note: Please check the plug dimensions and your brake caliper structure before purchase.

4. Key Features

Designed for Road Hydraulic Disc Brakes
Helps protect the bleed port or bleed screw area on road bike hydraulic brake calipers.
Two Types Available
RA156 for bleed nipple / oil injection nozzle.
RA157 for bleed screw / oil screw.
Flexible Silicone Material
Soft, lightweight, durable, and easy to install or remove.
Dust and Moisture Protection
Helps reduce dust, mud, water, and road debris from entering the brake service area.
Lightweight Design
Approx. 0.6–0.7g per 4 pieces, almost no added weight.
4PCS Per Pack
Convenient replacement or spare parts for bike maintenance.
Clean Brake Caliper Appearance
Gives your hydraulic disc brake caliper a neat and finished look.
Suitable for Selected for Shimano Road Brake Calipers
Compatible with selected for Shimano road hydraulic disc brakes, including R7170 / R8170 / R9270 series.

5. Specifications

Item	RA156
Brand	RISK
Model	RA156
Product Name	Bleed Nipple Dust Plug
Material	Silicone
Color	Black
Top Diameter	Approx. 9mm
Plug Diameter	Approx. 5.5mm
Height	Approx. 4.4mm
Net Weight	Approx. 0.6g / 4pcs
Package Weight	Approx. 2g
Package Size	Approx. 10 x 8 x 1cm
Quantity	4pcs / pack
Key Feature	Material: Silicone
Compatibility	For R7170/R8170/R9270

Item	RA157
Brand	RISK
Model	RA157
Product Name	Bleed Screw Dust Plug
Material	Silicone
Color	Black
Top Diameter	Approx. 8mm
Plug Diameter	Approx. 3.5mm
Height	Approx. 4.8mm
Net Weight	Approx. 0.7g / 4pcs
Package Weight	Approx. 2g
Package Size	Approx. 10 x 8 x 1cm
Quantity	4pcs / pack

6. Package Includes

RA156 Package

4 × RA156 Bleed Nipple Dust Plugs

RA157 Package

4 × RA157 Bleed Screw Dust Plugs

Package only includes the dust plugs. Brake caliper and other parts shown in images are not included.

RISK Bicycle Oil Disc Bleed Nipple Cover Dust Plug Screw Cap Rubber Plug DA Protective Cover 105UT For R7170/R8170/R9270

Available Options

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

Option 1
RA156
RA157

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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