
Shimano GRX RX825 Di2 1 x 12 Gravel Electronic Groupset
Shimano GRX RX825 Di2 1 x 12 Gravel Electronic 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.
Left Rear - ST-RX825 GRX Di2 2-speed STI bled with BR-RX820 calliper
Right Front - ST-RX825 GRX Di2 12-speed STI bled with BR-RX820 calliper
Rear mech - RD-RX827 GRX Di2, 12-speed rear derailleur, Shadow ES for 51T single
The all-new GRX RX827 rear derailleur paired with a 10-51T cassette gives riders and racers the speed, range, and robustness to pursue any gravel challenge. With built-in automatic impact recovery, an impact-deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.
Cassette - CS-M8200 XT 12-speed cassette 10 - 51T
With its BEAM SPIDER construction, the new SHIMANO DEORE XT M8100 12-speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10-45 and 10-51T cassettes deliver advanced shifting performance.
Chain - CN-M8100 XT/Ultegra HG+ chain with quick link, 12-speed, 126L
Battery - BT-DN320 Di2 wireless rear derailleur battery
Battery Charger - EC-DN100 Di2 wireless rear derailleur battery charger
Front Brake Rotor - Ice Tech FREZZA CL8100 140mm , 160mm Choose option
Rear Brake Rotor - Ice Tech FREZZA CL8100 140mm , 160mm Choose option
1x12 Speed Chainset -
The SHIMANO FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range. The FC-RX820-1 comes in 170, 172.5, and 175 mm crank arm lengths, providing an additional level of customization.
170mm , 172.5m 175mm 40T or 42T chainring ring Choose option
Original: $2,393.62
-65%$2,393.62
$837.77More Images








Shimano GRX RX825 Di2 1 x 12 Gravel Electronic Groupset
Shimano GRX RX825 Di2 1 x 12 Gravel Electronic 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.
Left Rear - ST-RX825 GRX Di2 2-speed STI bled with BR-RX820 calliper
Right Front - ST-RX825 GRX Di2 12-speed STI bled with BR-RX820 calliper
Rear mech - RD-RX827 GRX Di2, 12-speed rear derailleur, Shadow ES for 51T single
The all-new GRX RX827 rear derailleur paired with a 10-51T cassette gives riders and racers the speed, range, and robustness to pursue any gravel challenge. With built-in automatic impact recovery, an impact-deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.
Cassette - CS-M8200 XT 12-speed cassette 10 - 51T
With its BEAM SPIDER construction, the new SHIMANO DEORE XT M8100 12-speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10-45 and 10-51T cassettes deliver advanced shifting performance.
Chain - CN-M8100 XT/Ultegra HG+ chain with quick link, 12-speed, 126L
Battery - BT-DN320 Di2 wireless rear derailleur battery
Battery Charger - EC-DN100 Di2 wireless rear derailleur battery charger
Front Brake Rotor - Ice Tech FREZZA CL8100 140mm , 160mm Choose option
Rear Brake Rotor - Ice Tech FREZZA CL8100 140mm , 160mm Choose option
1x12 Speed Chainset -
The SHIMANO FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range. The FC-RX820-1 comes in 170, 172.5, and 175 mm crank arm lengths, providing an additional level of customization.
170mm , 172.5m 175mm 40T or 42T chainring ring Choose option
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Shimano GRX RX825 Di2 1 x 12 Gravel Electronic 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.
Left Rear - ST-RX825 GRX Di2 2-speed STI bled with BR-RX820 calliper
Right Front - ST-RX825 GRX Di2 12-speed STI bled with BR-RX820 calliper
Rear mech - RD-RX827 GRX Di2, 12-speed rear derailleur, Shadow ES for 51T single
The all-new GRX RX827 rear derailleur paired with a 10-51T cassette gives riders and racers the speed, range, and robustness to pursue any gravel challenge. With built-in automatic impact recovery, an impact-deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.
Cassette - CS-M8200 XT 12-speed cassette 10 - 51T
With its BEAM SPIDER construction, the new SHIMANO DEORE XT M8100 12-speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10-45 and 10-51T cassettes deliver advanced shifting performance.
Chain - CN-M8100 XT/Ultegra HG+ chain with quick link, 12-speed, 126L
Battery - BT-DN320 Di2 wireless rear derailleur battery
Battery Charger - EC-DN100 Di2 wireless rear derailleur battery charger
Front Brake Rotor - Ice Tech FREZZA CL8100 140mm , 160mm Choose option
Rear Brake Rotor - Ice Tech FREZZA CL8100 140mm , 160mm Choose option
1x12 Speed Chainset -
The SHIMANO FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range. The FC-RX820-1 comes in 170, 172.5, and 175 mm crank arm lengths, providing an additional level of customization.
170mm , 172.5m 175mm 40T or 42T chainring ring Choose option










