Wide Compatibility: Designed for SRAM Eagle T-Type 12-speed derailleurs, including XXSL, XX, X0, GX, Eagle 90, and Eagle 70 Transmission models. Premium Construction: Crafted from CNC-machined 7075-T6 aluminum for lightweight strength and long-lasting durability. Complete 2-Piece Set: Includes 1x 14T upper pulley and 1x 16T lower pulley, both with pressed hybrid ceramic bearings for easy installation. Lightweight & Robust: Maximize drivetrain efficiency with a combined weight of only 27g per set Enhanced Efficiency: Hybrid ceramic bearings reduce friction, increase efficiency and ensure smoother operation. Precision Shifting: Smooth and accurate shifting under all conditions due to the superior precision of the rigid aluminum body. Elevate your drivetrain with JRC Components Ceramic Pulley Wheels—engineered for SRAM Eagle enthusiasts. The CNC-machined 14/16T alloy pulley set is crafted from premium 7075‑T6 aluminum and fitted with sealed hybrid ceramic bearings to ensure ultra-smooth, low-friction operation. At just 27 g per set, it delivers a lightweight performance boost without sacrificing durability. Ideal for riders wanting precision shifting, reduced drivetrain drag, and long-life reliability. Compatible with SRAM Eagle T‑Type 12 speed derailleur systems including XXSL, XX, X0, GX, Eagle 90 and 70 Transmission systems. Each set includes 1x 14T upper pulley and 1x 16T lower pulley for complete installation.