The SHIMANO GRX RD-RX829-SGS rear derailleur is built for smooth, reliable shifting across mixed terrain. Powered directly by the EP810 system, it delivers consistent performance without the need for a separate battery. HYPERGLIDE+ ensures fast shifting, while AUTO SHIFT and FREE SHIFT help you stay in the right gear. The long cage supports wide-range gearing, and Automatic Impact Recovery helps the derailleur return to position after impacts. With the SHIMANO CONNECT App, you can fine-tune the system for different rides.
The SHIMANO GRX RD-RX829-SGS rear derailleur is built for smooth, reliable shifting across mixed terrain. Powered directly by the EP810 system, it delivers consistent performance without the need for a separate battery. HYPERGLIDE+ ensures fast shifting, while AUTO SHIFT and FREE SHIFT help you stay in the right gear. The long cage supports wide-range gearing, and Automatic Impact Recovery helps the derailleur return to position after impacts. With the SHIMANO CONNECT App, you can fine-tune the system for different rides.
FEATURE
・Compatibility: Compatible with the EP810 E-bike System.
・Gravel-Tuned Robustness: Reinforced construction with a wide link design, durable materials, and a stabilized pulley system built to handle rough, mixed terrain.
・RD Protection Function: Automatic Impact Recovery returns the derailleur to its original position after impact, keeping you moving when the trail fights back.
・SHIMANO SHADOW ES: A slimmer, stronger evolution of SHADOW RD+, delivering improved chain stability and protection on unpredictable surfaces.
・SHIMANO CONNECT App: Fine-tune shifting speed, behavior, and system preferences to match your riding style.
・AUTO SHIFT E-bike Technology: Intelligent sensors work seamlessly with HYPERGLIDE to deliver powerful, fast gear changes under load, so you're always in the right gear.
・FREE SHIFT E-bike Technology: Shift whenever you want, even while coasting, perfect for fast gravel descents and rolling terrain transitions.