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SHIMANO

SHIMANO GRX RX820 2x12V Groupset

The SHIMANO GRX RX820 2x12V Groupset is designed for cyclists seeking versatility and performance on road and gravel alike. Its 48/31 drivetrain paired with... Read more
799,90 €
799,90 €
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Description

The SHIMANO GRX RX820 2x12V Groupset is designed for cyclists seeking versatility and performance on road and gravel alike. Its 48/31 drivetrain paired with an 11-36 cassette offers a wide range of gears, ideal for riding comfortably on the flat, tackling rolling tracks or climbing long ascents.

Thanks to SHADOW RD+ chain stabilisation, the SHIMANO GRX RX820 2x12V Groupset ensures optimal chain retention and precise mechanical shifting both front and rear. The close-ratio cassette steps allow subtle cadence adjustments, perfect for spirited rides or long adventures on varied terrain.

Compatible with the majority of 700c wheels via the proven HG freehub body, this groupset guarantees easy integration. The ergonomic levers with Dual Control configuration offer confident control, with non-slip texture and improved grip, even on rough terrain.

Designed for flared handlebars and modern gravel riding, this complete groupset optimises comfort, reliability and precision. The SHIMANO GRX RX820 2x12V Groupset lets you tackle every ride with confidence, combining robustness, control and efficiency on all terrain.

Ref: 15894650061180

Technical information

This complete groupset includes:

Right and left ST-RX820 2x12-speed levers:
Shifter type: DUAL CONTROL LEVER
Gearing: 2x12-speed
Cable at lever end: OT-SP41
Cable at front/rear derailleur end: OT-RS900 Length: 1800/2200 mm
Inner cable (polymer-coated)
Brake hose (kit): SM-BH90-JK-SSR
Hose: 1000 mm / 1700 mm
Hose connection: Straight
Hose colour: Black
Oil: SHIMANO mineral oil
Reach adjustment: yes
Free stroke adjustment: yes
Funnel bleeding: yes
Technology: SERVO WAVE
Clamp diameter (mm): 23.8–24.2
Lever weight: 283 g

Front/rear brake caliper: BR-RX80:
Brake type: Hydraulic disc brake
Hose colour: Black
J-Kit version (OEM): yes
Finned resin pads

Bleeding system: ONE WAY BLEEDING
Mount: Flat Mount
Pistons: 2
Caliper mounting bolt: 4 mm Allen key
Anti-loosening method: Pin bolt
Painted aluminium one-piece caliper
Caliper weight: 141 g

2w SHIMANO RTCL800 160 mm disc rotors
Ice-Tech Freeza technology
Internal Centerlock lockrings
Weight (Probikeshop): 118.6 g

SHIMANO GRX RX-820 12-speed rear derailleur:
Type: Mechanical rear derailleur
Speeds: 1x12
Technology: Shadow RD+
Mount: Conventional / Direct Mount
Max. front difference: 17 teeth
Capacity: 42 teeth
Max./min. largest sprocket: 36/34 teeth
Max./min. smallest sprocket: 11 teeth
Jockey wheel teeth: 11/13
4 fluorine-coated bushings
Shadow RD+ technology
Weight: 280 g
Weight (Probikeshop): 294.8 g

SHIMANO GRX FD-RX820 2x12-speed front derailleur:
Action: Down swing
Mount: Braze-on
Integrated cable adjustment
Chainline: 47 mm (+2.5 mm vs standard road)
Chainstay angle: 63–66°
Compatible outer chainring: 46–48 teeth
Total capacity: 17 teeth
Link bushings: 7
Weight: 95 g

SHIMANO CS-HG710 12-speed cassette:
Speeds: 12
Freehub body compatibility: HG L or HG L2
Sprocket options:
11-36T (11-12-13-14-15-17-19-21-24-28-32-36 teeth).
Weight: 391 g

SHIMANO FC-RX820-2 2x12-speed crankset:
Chainring combination: 48-31 teeth
Chainline: 47 mm
P.C.D.: 110 / 80 mm
Spider / crank arms: 4
Q-factor: 151 mm
Crank arm length: 170 mm / 172.5 mm
24 mm spindle
Technology: HOLLOWTECH II
Crank arm fixing bolts included
Bottom bracket not included
Weight: 710 g

SHIMANO CN-M8100 12-speed chain
118 links
Speeds: 12
Quick-Link included
Weight: 260 g
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Overall rating: 5.0 / 5 from 2 reviews.

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Il prodotto corrisponde a quanto

"Il prodotto corrisponde a quanto mostrato e comprato e anche la consegna è stata veloce. Consiglio per la serietà del negozio."

— Stefano R. (5/5)

Hat alles gut funktioniert

"Hat alles gut funktioniert"

— Andreas W. (5/5)

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