Litespeed Spezia Shimano Dura-Ace Di2

2026 RoadRace Manufacturer page

Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 12 34–50t / 11–30t
Gear range: 401%
Frame: Titanium
Brakes: Hydraulic disc

Not published by the manufacturer

Sizes and geometry

Components

13 of 16 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.

Suspension

1 part

Fork
- Litespeed

Drivetrain

7 parts

Brakes

2 parts

Wheels and tires

2 parts

Rims
- DT Swiss E 1800 SPLINE
Tires

Select Option in Builder Not identified

Cockpit and contact points

4 parts

Handlebar

Select Option in Builder Not identified
Headset

Select Option in Builder Not identified
Saddle
- Fizik Vento Argo R5
Seatpost
- Litespeed

Specifications

Frame and fork

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

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 34
Largest chainring: 50
Rear sprockets: 12
Smallest sprocket: 11
Largest sprocket: 30
Lowest gear: 32.9 in
Highest gear: 131.8 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Electronic

Additional specifications

Bottom bracket standard: T47
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

32.9 gear inches

This value is above the central range for this class.

Cohort: Road / Race Model year: 2026
Sample: 719 bicycles with this information
Coverage: 78.6% of the class

Highest gear

131.8 gear inches

This value is within the central range for this class.

Cohort: Road / Race Model year: 2026
Sample: 719 bicycles with this information
Coverage: 78.6% of the class

Shifting

Electronic

631 of 912 bicycles with this information use electronic shifting.

Cohort: Road / Race Model year: 2026
Sample: 912 bicycles with this information
Coverage: 99.7% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 12.6 km/h
Highest gear: 50.5 km/h

Total gear range 401%

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: 32.9–131.8 gear inches
Class reference (p10–p90): 27.4–139.2 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Race Model year: 2026
Lowest gear: 719 bicycles with this information, 78.6% of the class
Highest gear: 719 bicycles with this information, 78.6% 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 2026 builds

Differences across 2026 builds
Specification	This bicycle Litespeed Spezia Shimano Dura-Ace Di2	Litespeed Spezia FI Shimano Dura-Ace Di2	Litespeed Spezia FI Shimano Ultegra Di2	Litespeed Spezia FI SRAM Force AXS E1	Litespeed Spezia FI SRAM Red AXS E1	Litespeed Spezia Shimano Ultegra Di2
Drivetrain
Smallest chainring	34	34	34	35	35	34
Largest chainring	50	50	50	48	48	50
Smallest sprocket	11	11	11	10	10	11
Largest sprocket	30	30	30	36	36	30
Lowest gear	32.9 in	32.9 in	32.9 in	28.2 in	28.2 in	32.9 in
Highest gear	131.8 in	131.8 in	131.8 in	139.2 in	139.2 in	131.8 in
Brakes
Brake type	Hydraulic disc	Hydraulic disc	Hydraulic disc	Mechanical disc	Mechanical disc	Hydraulic disc
Other specifications
Power meter	Not informed	Not informed	Not informed	SRAM Force AXS E1 48-35 12 Spd Power MeterAdditional specification: Model display: Force AXSAdditional specification: Model id: force-axs	SRAM Red AXS E1 48-35 12 Spd Power MeterAdditional specification: Model display: Red AXSAdditional specification: Model id: red-axs	Not informed