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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
818,90 €
818,90 €
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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

Informations techniques

This complete groupset includes:

Left and right lever ST-RX820 2x12S:
Shift control type: DUAL CONTROL LEVER
Derailleur control: 2x12 Speeds
Cable lever side: OT-SP41
Front/rear derailleur cable side: OT-RS900 Length: 1800/2200mm
Inner cable (polymer coating)
Brake hose (kit): SM-BH90-JK-SSR
Hose: 1000mm / 1700mm
Pipe connector: Straight
Hose colour: Black
Oil: SHIMANO Mineral
Reach adjustment: yes
Free stroke adjustment: yes
Funnel bleed: yes
Technology: SERVO WAVE
Clamp diameter (mm): 23.8–24.2
Lever weight: 283g

Front/rear calliper: BR-RX80:
Brake type: Hydraulic disc brake
Hose colour: Black
J-Kit version (OEM): yes
Resin pads with fin
Compatible rear mount adapters: 10 / 15 / 20 / 25 / 30 / 35 mm
Bleed system: ONE WAY BLEEDING
Mounting: Flat Mount
Pistons: 2
Calliper fixing bolt: 4 mm key
Anti-loosening method: Pin bolt
One-piece painted aluminium calliper
Calliper weight: 141g

2w SHIMANO RTCL800 160mm disc
Ice-Tech Freeza technology
Internal Centerlock fixing nuts
Weight (probikeshop): 118.6g

SHIMANO GRX RX-820 12S rear derailleur:
Type: Mechanical rear derailleur
Speeds: 1x12
Technology: Shadow RD+
Mounting: Traditional / Direct Mount
Max. front difference: 17 teeth
Capacity: 42 teeth
Max./Min. largest sprocket: 36/34 teeth
Max./Min. smallest sprocket: 11 teeth
Pulley teeth: 11/13 teeth
4 fluorine-coated bearings
Shadow RD+ technology
Weight: 280g
Weight (probikeshop): 294.8g

SHIMANO GRX FD-RX820 2x12S front derailleur:
Action: Down swing
Mounting: Braze-on
Integrated cable adjustment
Chainline: 47 mm (+2.5 mm vs standard road)
Rear angle: 63–66°
Compatible top chainring: 46–48 teeth
Total capacity: 17 teeth
Link rings: 7
Weight: 95 g

SHIMANO CS-HG710 12S 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: 391g

SHIMANO FC-RX820-2 2x12S crankset:
Chainring combination: 48-31 teeth
Chainline: 47 mm
P.C.D.: 110 / 80 mm
Spider / Cranks: 4
Q-factor: 151 mm
Crank length: 170mm / 172.5mm
24mm axle
Technologies: HOLLOWTECH II
Crank fixing bolts included
Bottom bracket not included
Weight: 710g

SHIMANO CN-M8100 12S chain
118 links
Speeds: 12
Quick-Link quick connector included
Weight: 260g
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