3T Racemax 2 Italia Discus 45|40 GRX Di2 2x12

Name: 3T Racemax 2 Italia Discus 45|40 GRX Di2 2x12
Brand: 3T

2025 RoadGravel Manufacturer page

Last known price: $10,999

Prices shown first for United States
Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 12 31–48t / 10–34t
Gear range: 526%
Frame: Carbon
Brakes: Hydraulic disc

Not published by the manufacturer

Sizes and geometry

Components

13 of 15 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Jazz Carbon: 3T’s in-house filament-winding using a combination of high-strength/high-stiffness fibers, combined with RTM resin injection. Made in Italy Not identified

Suspension

1 part

Fork
- 3T

Drivetrain

5 parts

Cassette
- Shimano Ultegra CS-R8101-12 12 speeds 10–34t
CS-R8101-12
Crankset
- Shimano GRX FC-RX820-2 12 speeds 48/31t
FC-RX820
Front derailleur
- Shimano GRX FD-RX825 2 speeds
FD-RX825
Rear derailleur
- Shimano GRX RD-RX825 12 speeds
RD-RX825
Shifters
- Shimano GRX ST-RX825
ST-RX825

Brakes

1 part

Brakes
- Shimano GRX BR-RX820
BR-RX820RT-CL800

Wheels and tires

2 parts

Cockpit and contact points

5 parts

Handlebar
- 3T
Headset

Ceramic Speed SLT 44/33 (36/45deg) I 52/42 (45/45deg) Not identified
Saddle
- Fizik Vento Argo R1 Light
Seatpost
- 3T
Stem
- 3T

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Fork material: Carbon

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 31
Largest chainring: 48
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 34
Lowest gear: 26.4 in
Highest gear: 139.2 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Rigid seatpost
Shifting: Electronic

Additional specifications

Tire width: 45c
Wheel material: Aluminum
Wheel size: 700c

Technical analysis

3 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Lowest gear

26.4 gear inches

This value is within the central range for this class.

Cohort: Road / Gravel Model year: 2025
Sample: 1,536 bicycles with this information
Coverage: 76.6% of the class

Highest gear

139.2 gear inches

This value is above the central range for this class.

Cohort: Road / Gravel Model year: 2025
Sample: 1,536 bicycles with this information
Coverage: 76.6% of the class

Shifting

Electronic

688 of 1,999 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2025
Sample: 1,999 bicycles with this information
Coverage: 99.7% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 10.1 km/h
Highest gear: 53.3 km/h

Total gear range 526%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 26.4–139.2 gear inches
Class reference (p10–p90): 22.8–126.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Gravel Model year: 2025
Lowest gear: 1536 bicycles with this information, 76.6% of the class
Highest gear: 1536 bicycles with this information, 76.6% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2025 builds

Differences across 2025 builds
Specification	This bicycle 3T Racemax 2 Italia Discus 45\|40 GRX Di2 2x12	3T Racemax 2 Italia Discus 45\|40 Force XPLR AXS 1x13	3T Racemax 2 Italia Torno Discus 45\|40 Force XPLR AXS 1x13	3T Racemax 2 Italia Torno Zipp 303 SW Red XPLR AXS 1x13 XPLR	3T Racemax 2 Italia PM Zipp 303 SW Red XPLR AXS 1x13 XPLR	3T Racemax 2 Italia PM Discus 45\|40 Super Record 2x13
Drivetrain
Front chainrings	2	1	1	1	1	2
Smallest chainring	31	Not informed	40	42	42	29
Largest chainring	48	Not informed	40	42	42	45
Rear sprockets	12	13	13	13	13	13
Largest sprocket	34	46	46	46	46	33
Lowest gear	26.4 in	Not informed	25.2 in	26.5 in	26.5 in	25.5 in
Highest gear	139.2 in	Not informed	116.0 in	121.8 in	121.8 in	130.5 in
Cockpit
Derailleur hanger	UDH	UDH	Not informed	Not informed	UDH	UDH
Other specifications
Wheel material	Aluminum	Aluminum	Aluminum	Carbon	Carbon	Aluminum
Power meter	Not informed	Not informed	Not informed	Not informed	SRAM Red E1 XPLR WIDE Power Meter 42T (S&M: 170 mm - L&XL: 172,5 mm)Additional specification: Model display: Red AXSAdditional specification: Model id: red-axs	ampagnolo Super Record Power Meter 45/29( S&M: 170 mm - L&XL: 172,5 mm )