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Shimano GRX RX825 Di2 2x12 Speed Upgrade Kit
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PRODUCT DESCRIPTION
AVAILABLE TO ORDER
Shimano GRX RX825 Di2 Upgrade Kit | 2x12 Speed
Shimano GRX – United in Gravel
Gravel is the great leveler: it unites diverse cyclists in a shared passion, regardless of experience, location, or goal. Whether you ride one kilometer or a hundred, on asphalt, dirt, or back roads, the only thing that matters is being out there.
With the new Shimano GRX RX825 Di2 electronic platform, the gravel experience becomes even more precise and connected. Ergonomics designed for off-road riding, a wireless cockpit with Bluetooth, 2x12-speed digital shifting, Shadow RD+ chain stabilization, and HYPERGLIDE+ technology: everything to ensure smoothness, control, and performance on any terrain.
Main features
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Bluetooth® wireless cockpit : fewer cables, more cleanliness and connectivity.
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2x12-speed Di2 transmission : fast, precise and silent electronic shifting.
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Shadow RD+ rear derailleur : greater chain stability even on rough terrain.
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HYPERGLIDE+ technology : smooth shifting when pushing and releasing, even under load.
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GRX Ergonomics : Levers with optimized grip for control in all conditions.
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Reliable stopping power : Flat Mount hydraulic disc brakes for total confidence on dirt and asphalt.
Upgrade Kit Contents
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GRX ST-RX825 Di2 brake/shift levers (left + right)
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GRX BR-RX820 Disc Brake Calipers (Hydraulic, Flat Mount, Front + Rear)
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GRX FD-RX825 Di2 Front Derailleur
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GRX RD-RX825 Di2 Shadow RD+ rear derailleur
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Shimano BT-DN300 Battery (for internal installation)
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E-Tube Cables EW-SD300-I (600 mm + 1000 mm, internal routing)
❗ Note : Crankset, cassette, chain, brake discs and EW-EC300 charging cable not included, can be ordered separately.
Ideal for
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Conversion from mechanical GRX to electronic Di2
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High-performance gravel bike
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Cyclists looking for absolute precision, reliability and connectivity
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