
Shimano GRX RX825 Di2 2 x 12 Electronic Gravel Groupset
Shimano GRX RX825 Di2 2 x 12 Groupset
Gravel cycling is rooted in its inclusivity and curiosity. Everyone from first-timers to grizzled veterans counts on SHIMANO GRX, the industry's first gravel-specific groupset, for smooth shifting, reliable braking, and exceptional gravel comfort.
Right Front - ST-RX825 GRX Di2 12-speed STI bled with BR-RX820 calliper
Left Rear - ST-RX825 GRX Di2 2-speed STI bled with BR-RX820 calliper
Rear mech - RD-RX825 GRX Di2 12-speed rear derailleur, Shadow+, max 36T for double
SHIMANO's GRX Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated SHADOW RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34T and 11-36T 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization.
Front mech - FD-RX825 GRX Di2 front mech 12-speed double, braze-on
SHIMANO GRX RX825 Di2 front derailleur delivers quick and precise front shifting even under heavy loads. Designed for a wider, 17T gear range, it utilizes a +2.5 mm chain line for improved tire clearance. The FD-RX825 is compatible with Full or Semi-Synchronized shift modes as well as the new FRONT SHIFT NEXT function for greater rider customization.
Cassette 12 speed - CS-HG710 11-36T / CS-R8100 11-34T Choose option
Chainset 12 Speed Double -
The SHIMANO FC-RX820-2 balances weight savings and optimal efficiency for mixed-terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch. The 2x12-speed crank utilizes a 48-31T chainring and comes in 170, 172.5, and 175 mm crank arm lengths.
170mm 48/31T , 172.5mm 48/31T, 175mm 48/31T Choose option
Chain - CN-M8100 XT/Ultegra HG+ chain with quick link 12-speed 126L
Original: $2,486.25
-65%$2,486.25
$870.19More Images








Shimano GRX RX825 Di2 2 x 12 Electronic Gravel Groupset
Shimano GRX RX825 Di2 2 x 12 Groupset
Gravel cycling is rooted in its inclusivity and curiosity. Everyone from first-timers to grizzled veterans counts on SHIMANO GRX, the industry's first gravel-specific groupset, for smooth shifting, reliable braking, and exceptional gravel comfort.
Right Front - ST-RX825 GRX Di2 12-speed STI bled with BR-RX820 calliper
Left Rear - ST-RX825 GRX Di2 2-speed STI bled with BR-RX820 calliper
Rear mech - RD-RX825 GRX Di2 12-speed rear derailleur, Shadow+, max 36T for double
SHIMANO's GRX Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated SHADOW RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34T and 11-36T 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization.
Front mech - FD-RX825 GRX Di2 front mech 12-speed double, braze-on
SHIMANO GRX RX825 Di2 front derailleur delivers quick and precise front shifting even under heavy loads. Designed for a wider, 17T gear range, it utilizes a +2.5 mm chain line for improved tire clearance. The FD-RX825 is compatible with Full or Semi-Synchronized shift modes as well as the new FRONT SHIFT NEXT function for greater rider customization.
Cassette 12 speed - CS-HG710 11-36T / CS-R8100 11-34T Choose option
Chainset 12 Speed Double -
The SHIMANO FC-RX820-2 balances weight savings and optimal efficiency for mixed-terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch. The 2x12-speed crank utilizes a 48-31T chainring and comes in 170, 172.5, and 175 mm crank arm lengths.
170mm 48/31T , 172.5mm 48/31T, 175mm 48/31T Choose option
Chain - CN-M8100 XT/Ultegra HG+ chain with quick link 12-speed 126L
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Shimano GRX RX825 Di2 2 x 12 Groupset
Gravel cycling is rooted in its inclusivity and curiosity. Everyone from first-timers to grizzled veterans counts on SHIMANO GRX, the industry's first gravel-specific groupset, for smooth shifting, reliable braking, and exceptional gravel comfort.
Right Front - ST-RX825 GRX Di2 12-speed STI bled with BR-RX820 calliper
Left Rear - ST-RX825 GRX Di2 2-speed STI bled with BR-RX820 calliper
Rear mech - RD-RX825 GRX Di2 12-speed rear derailleur, Shadow+, max 36T for double
SHIMANO's GRX Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated SHADOW RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34T and 11-36T 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization.
Front mech - FD-RX825 GRX Di2 front mech 12-speed double, braze-on
SHIMANO GRX RX825 Di2 front derailleur delivers quick and precise front shifting even under heavy loads. Designed for a wider, 17T gear range, it utilizes a +2.5 mm chain line for improved tire clearance. The FD-RX825 is compatible with Full or Semi-Synchronized shift modes as well as the new FRONT SHIFT NEXT function for greater rider customization.
Cassette 12 speed - CS-HG710 11-36T / CS-R8100 11-34T Choose option
Chainset 12 Speed Double -
The SHIMANO FC-RX820-2 balances weight savings and optimal efficiency for mixed-terrain riding and racing. Double chainring gearing caters to the segmented demands of gravel cycling, maintaining the tighter gear steps needed to maintain your position in the bunch. The 2x12-speed crank utilizes a 48-31T chainring and comes in 170, 172.5, and 175 mm crank arm lengths.
170mm 48/31T , 172.5mm 48/31T, 175mm 48/31T Choose option
Chain - CN-M8100 XT/Ultegra HG+ chain with quick link 12-speed 126L










