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DoubleDown (2x120 TPI)
ensuring that every watt you produce is efficiently transferred to the drivetrain
consistent results when working with bike frame parts
optimized for top aero performance with a 28mm tire but capable of handling gravel tires up to 50mm wide
Designed for high-intensity training
Shimano GRX Di2 RD-RX717 SGS 12 Speed Rear Derailleur LXL DoubleDown (2x120 TPI)The GRX RD RX717 SGS is a wireless Di2 rear derailleur built for 1x gravel drivetrains. It pairs with a wide range 12 speed cassette to deliver gear range across varied terrain. Automatic Impact Recovery returns the derailleur to its original position after impact, while an impact deflecting shape and solid pulleys guard against trail damage. SHIMANO SHADOW ES chain stabilization pairs a wide link structure with a skid plate design and durable
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