Litespeed Ultimate Disc FI Shimano 105 Di2 12 spd

2025 RoadRace Manufacturer page

Last known price: $6,245

Prices shown first for United States
Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 12 34–50t / 11–34t
Gear range: 455%
Frame: Titanium
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

XS 155–168
SM 163–174
MD 170–181
MD/LG 175–187
LG 181–193
XL 188–200

Components

17 of 17 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

Bottom bracket
- Praxis
Cassette
- Shimano 105 CS-R7101-12 12 speeds
CS-R7101-12
Chain
- Shimano SLX CN-M7100
CN-M7100
Crankset
- Shimano 105 FC-R7100 12 speeds 50/34t
FC-R7100
Front derailleur
- Shimano 105 FD-R7150 2 speeds
FD-R7150
Rear derailleur
- Shimano 105 RD-R7150 12 speeds
RD-R7150
Shifters
- Shimano 105 ST-R7170
ST-R7170

Brakes

2 parts

Wheels and tires

2 parts

Cockpit and contact points

5 parts

Sizes and geometry

6 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Geometry diagram unavailable

The drawing needs wheelbase, reach, stack, head tube length and chainstay length, which the manufacturer did not publish. Available facts remain in the table.

Size Reported by the manufacturer

Complete manufacturer geometry table 6 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Seat tube lengthmm	455	475	495	515	535	555
Head tube angle	72°	72.5°	73°	73°	73°	73°
Seat tube angle	74.5°	74°	73.5°	73°	73°	73°
Bottom bracket dropmm	7.1	7.1	7.1	7.1	7.1	6.8
Bottom bracket heightmm	329	329	329	329	329	329
Fork rakemm	4.5	4.5	4.5	4.5	4.5	4.5
Trailmm	104	101	97	97	97	99
Stack/reach ratio	1.39	1.41	1.43	1.45	1.49	1.55
Suspension and parts
Crank lengthmm	170	170	172.5	172.5	175	175
Stem lengthmm	90	90	100	100	110	110

Not published by the manufacturer: Reach, Stack, Top tube length, Head tube length, Chainstay length, Wheelbase, Front center, Standover height, Front travel, Rear travel, Handlebar width, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Titanium

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: 34
Lowest gear: 29.0 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
Tire clearance: Maximum tire width: 35c
Tire width: 28c
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

29.0 gear inches

This value is within the central range for this class.

Cohort: Road / Race Model year: 2025
Sample: 762 bicycles with this information
Coverage: 78.1% of the class

Highest gear

131.8 gear inches

This value is within the central range for this class.

Cohort: Road / Race Model year: 2025
Sample: 762 bicycles with this information
Coverage: 78.1% of the class

Shifting

Electronic

643 of 969 bicycles with this information use electronic shifting.

Cohort: Road / Race Model year: 2025
Sample: 969 bicycles with this information
Coverage: 99.3% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 11.1 km/h
Highest gear: 50.5 km/h

Total gear range 455%

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: 29.0–131.8 gear inches
Class reference (p10–p90): 28.2–139.2 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Race Model year: 2025
Lowest gear: 762 bicycles with this information, 78.1% of the class
Highest gear: 762 bicycles with this information, 78.1% 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
Specification	This bicycle Litespeed Ultimate Disc FI Shimano 105 Di2 12 spd	Litespeed Ultimate Disc Dura-Ace Di2 12 spd	Litespeed Ultimate Disc FI Dura-Ace Di2 12 spd	Litespeed Ultimate Disc FI SRAM Force AXS E1	Litespeed Ultimate Disc FI SRAM Rival AXS E1	Litespeed Ultimate Disc FI Ultegra Di2 12 spd
Frame
Fork material	Not informed	Carbon	Not informed	Not informed	Not informed	Not informed
Drivetrain
Smallest chainring	34	34	34	35	33	34
Largest chainring	50	50	50	48	46	50
Smallest sprocket	11	11	11	10	10	11
Largest sprocket	34	30	30	36	36	30
Lowest gear	29.0 in	32.9 in	32.9 in	28.2 in	26.6 in	32.9 in
Highest gear	131.8 in	131.8 in	131.8 in	139.2 in	133.4 in	131.8 in
Brakes
Brake type	Hydraulic disc	Hydraulic disc	Hydraulic disc	Mechanical disc	Mechanical disc	Hydraulic disc
Other specifications
Bottom bracket standard	T47	Not informed	T47	T47	T47	T47
Tire width	28c	30c	30c	Not informed	28c	28c