Shimano GRX Di2 RX825 12 Speed Disc Groupset

What's included?

GRX FC-RX820 12-speed chainset 48/31T (170 or 172.5mm).
GRX Di2 RD-RX825 12-speed rear derailleur, max 36T for double.
GRX Di2 FD-RX825 12-speed front derailleur, braze on.
CS-HG710 12-speed cassette, 11-36T.
CN-M8100 XT/Ultegra 12-speed chain, 126L.
GRX Di2 ST-RX825 12-speed STI bled with BR-RX820 calliper, right front.
GRX Di2 ST-RX825 2-speed STI bled with BR-RX820 calliper, left rear.
RT-CL800 Ice Tech FREEZA rotor with internal lockring, 160 mm (x2).
Di2 BT-DN300 internal mount battery, 3-port.
EW-EC300 battery charging cable, 1700 mm.
EW-SD300 E-tube Di2 electric wire, 900 mm.
EW-SD300 E-tube Di2 electric wire, 1200 mm.
*Bottom bracket not included.

Electrifying Shimano’s 12-speed gravel component family, the new 2 x 12-speed GRX RX825 Di2 components combine Shimano’s unrivaled electronic shifting with optimized gearing options for riding, racing, and all-day adventures. The new suite of electronic Di2 parts features dual control levers refined for comfort and control, a Shimano Shadow RD+ equipped rear derailleur for better chain management, and a gravel-optimized front derailleur for precise shifting.

Designed for gravel riders who live to be in the moment, who venture down lonely, unknown dirt roads, who take on routes and races with unpredictable outcomes, Shimano GRX 12-speed Di2 delivers precise, reliable, distraction-free performance in all conditions.

HIGHLIGHTS:

Evolved Di2 Platform – Redesigned Di2 system with fast, precise shifting and a wireless cockpit design for the ultimate performance and absolute reliability.
Advanced Gravel Drivetrain – Optimized 12-speed gearing for unrivaled efficiency and Shimano’s proven HYPERGLIDE+ technology for seamless shifting, no matter the situation.
Refined Interface and Ergonomics – The ultimate balance of comfort and grip, GRX offers unparalleled ergonomics, a cleaner cockpit design, and ultimate customization.

Shimano GRX wireless Di2 weight info:

Component	Weight	Spec
Rear Derailleur	310g
Front Derailleur	142g
Cassette	391g	11-36T
Chain	252g
Chainset	710g
Shifters	415g	Pair
Brakes	261g	Pair
Rotors	228g	CL800 160/160mm
Di2 Battery	52g
Total Average Weight	2761g

*Total weight excludes bottom bracket, hydraulic hoses and Di2 wires.

Type	Groupsets
Speed	12 Speed
SKU	333651