


Colnago Bike G4-X 820 Lite ER 2025 Icbl
8436577102946
Colnago G4-X 820 Lite ER 2025 Icbl Bicycle
A balanced gravel racing bike designed to perform at its best in any context.
The G4-X is the result of optimizing all the factors that matter when you have to race or push hard on dirt roads: handling, lightness, descending capability, stability, frame responsiveness and, like all Colnago bicycles, it is surprisingly wonderful to ride.
Pairs well with
Fast and secure delivery
Personalised advice
2-year warranty
Hassle-free returns

Colnago Bike G4-X 820 Lite ER 2025 Icbl
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Product details
General
- Year
- 2025
- Gender
- Unisex
- Family
- Bicis
- Wheel size
- 700
Frame
- Frame
- Monocoque carbon.
- Fork
- Carbon fork for disc brakes, external cables, section with round circumference
- Headset
- ACROS ss 42x52x7mm - 40x52x7mm
Cockpit
- Handlebars
- Colnago HB R41 (400 mm size 46-48s / 420 mm sizes 49s–55s / 440 mm size 58s)
- Stem
- Deda ZERO1 (90mm 46s, 100mm 49s, 110mm 52s-55s, 120mm 58s)
- Bar tape
- Colnago Grip Black
Brakes
- Front brake
- Shimano RX-820, 160 mm rotor (RT-MT800-S)
- Rear brake
- Shimano RX-820, 160 mm rotor (RT-MT800-S)
- Brake levers
- Shimano ST-RX820
Saddle
- Saddle
- Selle Italia NOVUS BOOST EVO Superflow FeC / Model X BB FEC
- Seatpost
- Carbon seatpost, 0.15 offset, D-Shape section
Drivetrain
- Shift levers
- Shimano ST-RX820 2x
- Rear derailleur
- Shimano GRX RD-RX820 (2x)
- Front derailleur
- Shimano GRX FD-RX820 (2x)
- Cassette
- Shimano GRX 11-36T, 12-speed
- Chain
- Shimano CN-M8100, 12-speed
- Crankarms
- Shimano GRX 2x (170 mm sizes 450–480 / 172.5 mm sizes 520–570)
- Chainrings
- Shimano GRX 2x, 48-31T
- Speeds
- 1x12
Wheels
- Front wheel
- Fulcrum Lite ER, aluminum rim, tubeless ready
- Rear wheel
- Fulcrum Lite ER, aluminum rim, tubeless ready
- Front tire
- Pirelli Cinturato Gravel 40 TLR
- Rear tire
- Pirelli Cinturato Gravel 40 TLR
- Rims
- Aluminum rims, 24 mm height, 23 mm internal width
- Front hub
- Aluminum hub, sealed cartridge bearings, HH12-100
- Rear hub
- Aluminum hub, sealed cartridge bearings, HH12-142
- Spokes
- Stainless steel spokes