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