Dolan GXA Aluminium Disc Shimano 12s 105 R7170 Di2

2024 RoadGravel Manufacturer page

Price: Not published

Prices shown first for United States
United Kingdom: £1,999 Last known price
Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 12 34–50t / 11–34t
Gear range: 455%
Frame: Aluminum
Brakes: Hydraulic disc

Not published by the manufacturer

Sizes and geometry

Components

12 of 19 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

GXA Gravel Frame - (49cm X-SML) Not identified

Suspension

1 part

Fork
- Alpina

Drivetrain

7 parts

Bottom bracket

Tthreaded Not identified
Cassette
- Shimano 105 CS-R7101-12 12 speeds
CS-R7101-12
Chain
- Shimano Deore CN-M6100
CN-M6100
Crankset

105-R7100 12s Chainset - 170mm 50/34T Not identified
Front derailleur
- Shimano 105 FD-R7150 2 speeds
FD-R7150
Power meter

None-Powermeter-Fitted Not identified
Rear derailleur
- Shimano 105 RD-R7150 12 speeds
RD-R7150

Brakes

1 part

Brakes
- Shimano 105 BR-R7170
BR-R7170BR-R7170F

Wheels and tires

2 parts

Cockpit and contact points

5 parts

Other components

2 parts

Fenders

None-Fitted Not identified
Racks

None-Fitted Not identified

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
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: 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: BSA
Tire width: 32c
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 above the central range for this class.

Cohort: Road / Gravel Model year: 2024
Sample: 1,716 bicycles with this information
Coverage: 76.6% of the class

Highest gear

131.8 gear inches

This value is above the central range for this class.

Cohort: Road / Gravel Model year: 2024
Sample: 1,716 bicycles with this information
Coverage: 76.6% of the class

Shifting

Electronic

771 of 2,238 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2024
Sample: 2,238 bicycles with this information
Coverage: 99.9% 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): 23.2–131.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Gravel Model year: 2024
Lowest gear: 1716 bicycles with this information, 76.6% of the class
Highest gear: 1716 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 2024 builds
Specification	This bicycle Dolan GXA Aluminium Disc Shimano 12s 105 R7170 Di2	Dolan GXA Aluminium Disc Gravel Bike - Campag Ekar 1x13	Dolan GXA Aluminium Disc Gravel Bike - HDR Shimano 105 R7020	Dolan GXA Aluminium Disc Shimano 12s 105 R7120	Dolan GXA Aluminium Disc Shimano GRX RX600 1x11 2x11	Dolan GXA Aluminium Disc Shimano GRX RX610 1x12 2x12
Drivetrain
Front chainrings	2	1	2	2	1	1
Smallest chainring	34	38	34	34	40	40
Largest chainring	50	38	50	50	40	40
Rear sprockets	12	13	11	12	11	12
Smallest sprocket	11	9	11	11	11	11
Largest sprocket	34	36	28	34	28	34
Lowest gear	29.0 in	30.6 in	35.2 in	29.0 in	41.4 in	34.1 in
Highest gear	131.8 in	122.4 in	131.8 in	131.8 in	105.5 in	105.5 in
Cockpit
Shifting	Electronic	Mechanical	Mechanical	Mechanical	Mechanical	Mechanical