Home > Brand > Stone chainring Brand > Stone Pulley Wheel Gear Guide Roller Jockey 10t 12t 14t 16t Bearing Road MTB Bike Rear Derailleur for GX XX1 for Shimano M9000

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Stone Narrow Wide 12 Speed Pulley Wheel Gear Guide Roller Jockey 10t 12t 14t 16t High Strength Resin Smooth Bearing Solid Aero 9-12s for Shimano Sram

Name: Stone Narrow Wide 12 Speed Pulley Wheel Gear Guide Roller Jockey 10t 12t 14t 16t High Strength Resin Smooth Bearing Solid Aero 9-12s for Shi
Brand: DJC Bikes - DJC Components
SKU: Stone-NW-pulley
Price: 11.16 USD
Availability: InStock
Rating: 5 (13 reviews)

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Color:

10 red hollow

12 red hollow

14 red hollow

16 red hollow

10 red solid

12 red solid

14 red solid

16 red solid

10 black hollow

12 black hollow

14 black hollow

16 black hollow

10 black solid

12 black solid

14 black solid

16 black solid

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Specifications
Warranty FAQ

STONE MTB Narrow Wide Pulley Wheel 10T 12T 14T 16T Rear Derailleur Jockey Wheel CNC POM Guide Roller for Shimano for SRAM MTB

Upgrade Your Rear Derailleur With Less Noise And Smoother Shifting

Designed for MTB riders who want a quieter, smoother and more durable drivetrain.

Specifications

Brand: STONE

Material: CNC POM Engineering Plastic

Bearing: Sealed Steel Bearing

Thickness: 8mm

Color:

Black Pulley + Red Cap

Black Pulley + Black Cap

★ 7th Generation Narrow-Wide Design

STONE has continuously improved its pulley wheel design since 2015.

The latest 7th generation narrow-wide tooth profile offers:

• Better chain retention

• Reduced chain vibration

• Lower drivetrain noise

• Improved shifting performance

★ Premium CNC POM Material

Unlike ordinary plastic pulleys, STONE uses high-grade engineering POM material CNC machined for greater precision.

Benefits:

• High wear resistance

• Low friction

• Lightweight construction

• Quiet operation

• Long service life

★ Sealed Steel Bearing

Equipped with high-quality sealed bearings for smooth rotation and excellent durability.

Benefits:

• Reduced drivetrain resistance

• Faster derailleur response

• Improved efficiency

• Better protection against dust and water

★ Replaceable Bearing Design

Most original pulley wheels must be replaced entirely when worn.

STONE pulley wheels feature a serviceable design:

• Bearings can be replaced

• Easy maintenance

• Lower long-term ownership cost

• Longer product lifespan

★ Hollow Styles

✔ Lighter weight

✔ More aggressive appearance

✔ Lower rotating mass

★ Available Sizes

10T

12T

14T

16T

★ Recommended Upgrade

Upper Pulley: Increase by no more than +1T from the original pulley size.

Lower Pulley: Increase by +1T to +2T for smoother chain movement and reduced friction.

★ Compatible With

Suitable for Shimano and for SRAM rear derailleurs.

Compatible with 8/9/10/11/12 Speed MTB Drivetrains.

Not compatible with SRAM AXS Flattop Road Chains.

For Shimano 12 Speed Road Systems: Using an aftermarket 12-speed quick link is recommended for best compatibility.

Package Includes

1pc or 2pcs Pulley Wheel

Adapter Sleeves Included

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.

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