Ridley Astr Shimano GRX600 1x12sp

2027 RoadGravel Manufacturer page

Price: Not published

Prices shown first for United States
Europe: €2,999 Last known price
Suspension: Rigid
Wheels: 700c
Drivetrain: 12 10–45t
Gear range: 450%
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

XS 156–166
SM 163–174
MD 171–182
LG 179–189
XL 185–195

Components

12 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.

Frame and fork

1 part

Frame

ASTR, HM carbon, BB86, TA12x142, 52mm tire clearance Not identified

Suspension

1 part

Fork

Astr 7E8/AST27D3s Not identified

Drivetrain

7 parts

Bottom bracket
- Ridley
Cassette
- Shimano SLX CS-M7100 12 speeds
CS-M7100
Chain
- KMC
Crankset
- Shimano GRX 40t
Front derailleur
- Shimano
Rear derailleur
- Shimano
Shifters
- Shimano

Brakes

2 parts

Brakes

Flat Mount Not identified
Disc rotors

REVER Flat Mount Adapter, Rear 140 -> 160 Not identified

Wheels and tires

1 part

Rims
- Shimano WH-RX180
WH-RX180

Cockpit and contact points

5 parts

Handlebar
- 4ZA
Pedals

Not included ** Not identified
Saddle
- Selle Italia
Seatpost
- 4ZA
Stem
- Forza

Sizes and geometry

5 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 406mm

Stack 571mm

Wheelbase 1043mm

Head angle 71.5°

Seat angle 74.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 700c wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	376	392	406	419	432
Stackmm	536	550	571	595	619
Top tube lengthmm	525	550	570	590	615
Seat tube lengthmm	475	500	520	550	575
Head tube lengthmm	115	130	150	175	200
Head tube angle	71°	71°	71.5°	71.5°	71.5°
Seat tube angle	74.5°	74°	74°	74°	73.5°
Chainstay lengthmm	425	425	425	425	425
Wheelbasemm	1006	1027	1043	1064	1085
Front centermm	592	613	629	650	671
Bottom bracket dropmm	75	75	75	75	75
Bottom bracket heightmm	274	274	274	274	274
Fork rakemm	50	50	50	50	50
Trailmm	67	67	64	64	64
Stack/reach ratio	1.43	1.40	1.41	1.42	1.43

Not published by the manufacturer: Standover height, Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Fork material: Carbon
Weight limit: 110 kg

242.5 lb

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 45

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BB86/BB92
Wheel material: Aluminum
Wheel size: 700c

Technical analysis

1 measure

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

Shifting

Mechanical

126 of 265 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2027
Sample: 265 bicycles with this information
Coverage: 99.6% 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 2027 builds
Specification	This bicycle Ridley Astr Shimano GRX600 1x12sp	Ridley Astr RS - X Campagnolo Super Record 1x13sp	Ridley Astr RS SRAM Force XPLR 1x13	Ridley Astr RS SRAM Red XPLR 1x13	Ridley Astr Shimano GRX600 2x12sp	Ridley Astr SRAM Rival XPLR 1x13
Drivetrain
Rear sprockets	12	13	13	13	12	13
Smallest sprocket	10	10	10	10	11	10
Largest sprocket	45	48	46	46	36	46
Front chainrings	Not informed	Not informed	1	1	2	1
Smallest chainring	Not informed	Not informed	42	Not informed	30	42
Largest chainring	Not informed	Not informed	42	Not informed	46	42
Lowest gear	Not informed	Not informed	26.5 in	Not informed	24.2 in	26.5 in
Highest gear	Not informed	Not informed	121.8 in	Not informed	121.3 in	121.8 in
Cockpit
Shifting	Mechanical	Mechanical	Electronic	Electronic	Mechanical	Electronic
Other specifications
Bottom bracket standard	BB86/BB92	Not informed	Not informed	Not informed	BB86/BB92	BB86/BB92
Wheel material	Aluminum	Carbon	Carbon	Carbon	Aluminum	Carbon
Power meter	Not informed	Not informed	SRAM Force XPLR incl spindle powermeter // 170 // 42Additional specification: Model display: Force AXSAdditional specification: Model id: force-axs	SRAM RED XPLR incl powermeter // 170 // 442Additional specification: Model display: Red AXSAdditional specification: Model id: red-axs	Not informed	Not informed