TRiPEAK 11/13T Jockey Wheel Pulley Set, 2 pcs for Shimano 11&12 Speed GRX 2X Series RX-825/820/815/810 Gravel Rear Derailleur (Stainless Steel)

Description

• Reduced Drivetrain Friction: Larger pulley wheels decrease chain bending angle, improving drivetrain efficiency.
• Smoother Shifting Performance: Precision bearings and accurate tooth profiles enhance shifting speed and accuracy.
• Durable & Long-Lasting: Ceramic or stainless steel bearings offer excellent wear resistance and longevity.
• Narrow-Wide tooth profile ensures smoother operation of your drivetrain.

TRiPEAK pulleys are engineered for smooth, precise, and long-lasting performance. Made with composite injection molding, each pulley fully encloses its bearing for a perfect fit, runs quieter, and lasts longer than conventional aluminum. Inside, G5 ceramic or stainless steel bearings deliver ultra-smooth rotation with extreme accuracy (only 0.005 mm eccentricity). The narrow-wide tooth profile improves chain engagement for stable, reliable shifting showcasing TRiPEAKs commitment to quality and performance.

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