Chaser-Sports 12T Ceramic Rear Derailleur Pulley Wheel – 10.2g – Compatible with Shimano / SRAM / Campagnolo – 9/10/11/12-Speed

Introducing the Chaser 12T Ceramic Pulley Wheel, designed for smooth, precise shifting across 9 to 12-speed systems. Fully CNC-machined from 7075-T6 aluminum and equipped with NSK full ceramic bearings, this pulley offers ultra-lightweight performance and aesthetic tuning.

No cage plate modifications needed – simply remove your stock pulley and install Chaser’s plug-and-play upgrade.

Available in three spoke styles (Rune / Wave / Venom) and eight anodized colors, it combines design, durability, and drivetrain optimization in one.

🔩 Specifications

• Chain Compatibility: 9 / 10 / 11 / 12-speed

• Design: Narrow-wide teeth (12T)

• Material: 7075-T6 aluminum alloy

• Bearings: NSK full ceramic bearings

• Finish: Anodized, polished CNC

• Machining: Full CNC precision

• Tool Required: T20 Torx

• Torque Spec: 2–3 Nm

• Weight: ~10.2g/set

✅ Key Features

• Compatible with Shimano / SRAM / Campagnolo rear derailleurs

• Direct-fit replacement – no cage change required

• Full CNC & anodized color finish

• Unique spoke styles: Rune / Wave / Venom

• Ultra-light: lighter than OEM pulleys

Compatibility Check: Due to the complexity of original equipment manufacturer (OEM) parts' models and batches, there may be instances where this product is incompatible.

Upon receiving this product, please compare it with the OEM specifications to ensure compatibility before installation.

Torque Specifications: Install this product strictly according to the torque values specified in the OEM parts manual.Installation Issues: If you encounter any discrepancies with the OEM specifications or face difficulties at the initial stage of installation, stop immediately and contact customer service for assistance with returns or exchanges.

No Forced Installation: Do not force installation under any circumstances.Liability: Any damages resulting from forced installation or unauthorized modifications of this product (or its components) will be the sole responsibility of the buyer.

All products are photographed to accurately represent the colors you will see upon receipt.

Due to differences in lighting, angles, or screen settings, slight color variations may occur.

The actual product should be considered the standard.For "colored" and "blue" products, the coloring process may result in uneven color distribution, making each product unique.