Fovno 12T 14T 16T Bike Pulley Wheel Narrow Wide Bearing Jockey Wheel MTB Rear Derailleur for Shimano SRAM 9-12 Speed ​

Upgrade your drivetrain with lightweight, smooth and durable pulley wheels designed for better performance and longer life. ​

Key Features

• Narrow-Wide Tooth Design ​Better chain retention, reduces chain drop, ideal for MTB & road use

• High Quality POM Material ​Lightweight, high stiffness, low friction, long service life

• Smooth 689RS Bearing ​Stable rotation, low noise, improved drivetrain efficiency

• Lightweight Performance

  • 12T: 10g

  • 14T: 12g

  • 16T: 14g

• Wide Compatibility ​Fits Shimano & SRAM rear derailleur (9/10/11/12 speed)

📌 Specifications

• Brand: Fovno (by Deckas)

• Product: Derailleur Pulley Wheel

• Material: POM Resin + Steel Bearing

• Teeth: 12T / 14T / 16T

• Thickness: 8mm

• Inner Diameter: 6mm ​(Compatible with 5mm / 4mm via adapter)

• Color: Black

📏 Size & Fit Guide

📦 Package Included

• 1 × Pulley Wheel

• 2 × Side Covers

⚙️ Why POM Material

Polyoxymethylene (POM), also known as acetal, offers:

• High strength & stiffness

• Excellent wear resistance

• Low friction for smoother drivetrain

• Stable performance even in low temperatures

Widely used in precision mechanical parts and high-performance components. ​