Ventum GS1 GRX Di2 1x12

Name: Ventum GS1 GRX Di2 1x12
Brand: Ventum

2026 RoadGravel Manufacturer page

Last known price: $7,299

Prices shown first for United States
Suspension: Rigid
Wheels: 700c
Drivetrain: 12 10–51t
Gear range: 510%
Frame: Carbon
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

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

Ventum GS1 V3 gravel frame | Full carbon fiber construction | Internal cable routing | T47 threaded BB | Flat mount disc brake | UDH Not identified

Suspension

1 part

Fork
- Ventum

Drivetrain

7 parts

Bottom bracket
- Shimano
Cassette
- Shimano Deore XT CS-M8200 12 speeds 10–51t
CS-M8200
Chain
- Shimano Deore XT CN-M8100
CN-M8100
Crankset
- Shimano GRX 40t
Front derailleur
- Shimano GRX
Rear derailleur
- Shimano GRX
Shifters
- Shimano GRX

Brakes

2 parts

Brakes
- Shimano GRX
Disc rotors

160mm Front /160mm Rear Not identified

Wheels and tires

2 parts

Cockpit and contact points

2 parts

Sizes and geometry

6 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 384mm

Stack 545mm

Wheelbase 1024mm

Head angle 70.0°

Seat angle 73.5°

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 6 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	369	375	384	393	402	411
Stackmm	506	522	545	570	589	604
Top tube lengthmm	514	525	545	562	582	596
Seat tube lengthmm	485	502	525	550	569	584
Head tube lengthmm	90	105	128	150	166	180
Head tube angle	69°	69.5°	70°	71°	72°	72.5°
Seat tube angle	74°	74°	73.5°	73.5°	73°	73°
Chainstay lengthmm	420	420	420	420	420	420
Wheelbasemm	1004	1012	1024	1032	1037	1046
Front centermm	594	601	614	622	627	636
Bottom bracket dropmm	70	70	70	70	70	70
Bottom bracket heightmm	279	279	279	279	279	279
Standover heightmm	778	795	817	841	860	874
Fork rakemm	50	50	50	50	50	50
Trailmm	86	83	79	72	66	62
Stack/reach ratio	1.37	1.39	1.42	1.45	1.47	1.47

Not published by the manufacturer: 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

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 51

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Rigid seatpost
Shifting: Electronic

Additional specifications

Bottom bracket standard: T47
Tire clearance: Maximum tire width: 42c; Additional specification: Wheel kind: 700
Tire width: 45c
Wheel material: Carbon
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

Electronic

706 of 1,977 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2026
Sample: 1,977 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 2026 builds
Specification	This bicycle Ventum GS1 GRX Di2 1x12	Ventum GS1 Apex XPLR	Ventum GS1 Force XPLR	Ventum GS1 Red XPLR	Ventum GS1 Rival XPLR	Ventum GS1 XTR Di2
Drivetrain
Rear sprockets	12	12	13	13	13	12
Smallest sprocket	10	11	10	10	10	10
Largest sprocket	51	44	46	46	46	51
Front chainrings	Not informed	1	1	1	1	1
Smallest chainring	Not informed	40	42	42	42	48
Largest chainring	Not informed	40	42	42	42	48
Lowest gear	Not informed	26.4 in	26.5 in	26.5 in	26.5 in	27.3 in
Highest gear	Not informed	105.5 in	121.8 in	121.8 in	121.8 in	139.2 in
Other specifications
Tire width	45c	40c	45c	45c	45c	45c
Wheel material	Carbon	Aluminum	Carbon	Carbon	Carbon	Carbon
Power meter	Not informed	Not informed	XS: SRAM Force XPLR Crankset \| 42T chainring \| 165mm crank length \| Power Meter Included, S: SRAM Force XPLR Crankset \| 42T chainring \| 165mm crank length \| Power Meter Included, M: SRAM Force XPLR Crankset \| 42T chainring \| 170mm crank length \| Power Meter Included, M/L: SRAM Force XPLR Crankset \| 42T chainring \| 170mm crank length \| Power Meter Included, L: SRAM Force XPLR Crankset \| 42T chainring \| 172.5mm crank length \| Power Meter Included, XL: SRAM Force XPLR Crankset \| 42T chainring \| 172.5mm crank length \| Power Meter IncludedAdditional specification: Model display: Force AXSAdditional specification: Model id: force-axs	XS: SRAM Red XPLR Crankset \| 42T chainring \| 165mm crank length \| Power meter included, S: SRAM Red XPLR Crankset \| 42T chainring \| 165mm crank length \| Power meter included, M: SRAM Red XPLR Crankset \| 42T chainring \| 170mm crank length \| Power meter included, M/L: SRAM Red XPLR Crankset \| 42T chainring \| 170mm crank length \| Power meter included, L: SRAM Red XPLR Crankset \| 42T chainring \| 172.5mm crank length \| Power meter included, XL: SRAM Red XPLR Crankset \| 42T chainring \| 172.5mm crank length \| Power meter includedAdditional specification: Model display: Red AXSAdditional specification: Model id: red-axs	Not informed	XS: Shimano Dura Ace Power Meter Crankset \| Wolf Tooth 48T chainring \| 167.5mmm crank length \| Power meter included, S: Shimano Dura Ace Power Meter Crankset \| Wolf Tooth 48T chainring \| 167.5mm crank length \| Power meter included, M: Shimano Dura Ace Power Meter Crankset \| Wolf Tooth 48T chainring \| 167.5mm crank length \| Power meter included, M/L: Shimano Dura Ace Power Meter Crankset \| Wolf Tooth 48T chainring \| 167.5mm crank length \| Power meter included, L: Shimano Dura Ace Power Meter Crankset \| Wolf Tooth 48T chainring \| 167.5mm crank length \| Power meter included, XL: L: Shimano Dura Ace Power Meter Crankset \| Wolf Tooth 48T chainring \| 172.5mm crank length \| Power meter includedAdditional specification: Model display: Dura-AceAdditional specification: Model id: dura-ace