2025

Colnago G4-X Shimano GRX Di2 825 2x

Name: 2025 Colnago G4-X Shimano GRX Di2 825 2x
Brand: Colnago

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Size / 45cm, 48cm, 52cm, 54cm, 57cm

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At a glance

The 2025 Colnago G4-X Shimano GRX Di2 825 2x is an race road bike. It comes in a range of sizes, including 45cm, 48cm, 52cm, 54cm, 57cm and a shimano drivetrain. The bike is part of Colnago's G4-X range of road bikes.

Where To Buy

Colnago

Colnago G4-X Shimano GRX Di2 825 2x

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Specifications

Frameset

Wheels

Hubs

Hubs with direct pull spokes, Hubs with direct pull spokes
Wheels

45mm, 45mm
Tires

Pirelli Cinturato Gravel 40 TLR, Pirelli Cinturato Gravel 40 TLR

Drivetrain

Chain

Shimano GRX: Shimano CN-M8100 12V, Shimano GRX: Shimano CN-M8100 12V
Crank

Shimano GRX 2x: 48-31T, Shimano GRX 2x: 48-31T
Bottom Bracket

Shimano T47-86mm, Shimano T47-86mm
Front Derailleur

Shimano GRX 2x: Shimano FD-RX820, Shimano GRX 2x: Shimano FD-RX820
Rear Derailleur

Shimano GRX 2x: Shimano RD-RX820, Shimano GRX 2x: Shimano RD-RX820
Shifters

Drivetrain, Shimano GRX 825 Di2 2x (electronical shifting), Shimano GRX 825 Di2 2x (electronical shifting)

Components

Brakeset

Brakes, Shimano RX-820, 160 mm Front / 160 mm Rear, RT-MT800-S rotors, Shimano RX-820, 160 mm Front / 160 mm Rear, RT-MT800-S rotors
Handlebar

CC.01 Wide integrated cockpit, Sizes 450, Width: 400 mm, Sizes 480 -540, Width: 420 mm, Sizes 570, Width: 440 mm, CC.01 Wide integrated cockpit, Sizes 450, Width: 400 mm, Sizes 480 -540, Width: 420 mm, Sizes 570, Width: 440 mm
Saddle

Components, ""Prologo" Kappa BK, "Selle Italia" Model X BB FEC, "Prologo" Kappa BK, "Selle Italia" Model X BB FEC
Seatpost

Carbon seatpost, 0.15 offset, ""D-Shape" section, Carbon seatpost, 0.15 offset, "D-Shape" section
Stem

Integrated cockpit (CC.01 Wide), Size 450 - 480, Length: 90 mm, Sizes 520- 570, Length: 100 mm, Integrated cockpit (CC.01 Wide), Size 450 - 480, Length: 90 mm, Sizes 520- 570, Length: 100 mm

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Geometry

Frame Size	45cm	48cm	52cm	54cm	57cm
Bottom Bracket Drop	72mm	72mm	70mm	70mm	70mm
Bottom Bracket Height	264mm	264mm	266mm	266mm	266mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Crank Length	170mm	mm	mm	mm	mm
Handlebar Width	400mm	400mm	420mm	420mm	420mm
Head Tube Angle	71°	71.5°	71.5°	71.5°	71.5°
Reach	371mm	380mm	390mm	400mm	410mm
Seat Tube Angle	74°	74°	73.5°	73°	73°
Stack	535mm	554mm	573mm	591mm	600mm
Stack Reach Ratio	1.442	1.458	1.469	1.478	1.463
Stem Length	90mm	90mm	100mm	110mm	110mm
Top Tube Length	524mm	539mm	560mm	581mm	596mm
Wheel Kind Front	700	700	700	700	700
Wheel Kind Rear	700	700	700	700	700

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FAQ

Q: Where to buy a 2025 Colnago G4-X Shimano GRX Di2 825 2x?

The 2025 Colnago G4-X Shimano GRX Di2 825 2x may be purchased directly from Colnago.

Q: What size 2025 Colnago G4-X Shimano GRX Di2 825 2x should I get?

The 2025 Colnago G4-X Shimano GRX Di2 825 2x comes in sizes 45cm, 48cm, 52cm, 54cm, 57cm. After measuring your height, use the size chart below to find the typical Colnago G4-X Shimano GRX Di2 825 2x size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

Rider Height (cm)	Rider Height (in)	Frame Size
148cm - 158cm	4'10" - 5'2"	XS
158cm - 168cm	5'2" - 5'6"	S
168cm - 178cm	5'6" - 5' 10"	M
178cm - 185cm	5'10" - 6'1"	L
185cm - 193cm	6'1" - 6'4"	XL
193cm - 198cm	6'4" - 6'6"	XXL