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2026 Vitus

Substance GRX

An aluminum frame gravel bike with high-end components and shimano grx 600 hydraulic disc brakes.
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Manufacturer Price

£1,799($2,420)
Weight22.0 lbs  
FrameAluminum
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11
GroupsetGRX 800, GRX 600
BrakesShimano GRX 600 Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Substance GRX
Other Gravel bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

36 mph

Substance GRX

36 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Sizing
XS

5'0" – 5'5"

SM

5'3" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'2"

XL

6'0" – 6'5"

XXL

6'3" – 6'8"

Rider Fit Notes

None yet.

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Price History
Geometry
Specs
Build
Frame

Substance Aluminium, 6061-T6 Double Butted Aluminium, Internal Cable Routing, 1X Dropper Post Compatible, Mudguard Mounts, Rack Mounts, 142 x 12mm Hub Spacing, Flat Mount, Axle Specifcations: 160mm Length, 14mm Thread Length, M12xP1.5 Thread Pitch

BB StandardBSA, 68mm, Threaded

Hanger StandardUDH

ColorSage Green

Fork

Substance Carbon, UD Carbon, carbon steerer, thru-axle, mudguard and rack mounts

Bottom Bracket

FSA Omega, BSA, BSA Threaded, 68mm, English

Headset

ACROS Aix-Low R3, Sealed Bearings, OD48, 1 1/8” – 1 ½”, 41.8 / 28.6 – 52 / 40

Stem

Vitus 6061 Aluminium, 31.8mm, +/- 7 degrees, S:90mm M:100mm L:100mm XL:100mm

Handlebar

Vitus 6061 Aluminium, 77mm Reach, 128mm Drop, 3 Degree Flare, S:440mm M:460mm L:460mm XL:460mm

Saddle

Vitus, Steel Rail

Seatpost

Vitus 6061 Aluminium, 30.9mm x 350mm, 15mm Offset

TypeRigid

Grips

Velo, VLT-001

Groupset
Rear Derailleur

Shimano GRX, RD-RX810 GRX, shadow RD+

Front Derailleur

Shimano GRX, FD-RX810 GRX, 2 x 11 Speed

Crank

FSA Omega, 46x36t, megaexo

Shifters

Shimano GRX, 11 Speed

Cassette

Shimano CH-HG900, 11 Speed, 11-34T

Chain

KMC X11, 11 Speed, 120 link

Brakes

Shimano GRX, Hydraulic Disc, Flat Mount

TypeShimano GRX 600 Hydraulic Disc

Wheels
Rims

Front: WTB STi23, 700c, Tubeless Ready, TCS2.0, 32h, 23mm internal, Rear: WTB STi23, 700c, Tubeless Ready, TCS2.0, 32h, 23mm internal

Front Hub

Novotech D791SB, 32h, thru-axle, 12x100(f), 6-Bolt

Rear Hub

Novotech D791SB, 142x12mm, 6 Bolt, 32h

Tires

Front: WTB Riddler TCS Light, 700x37c, foldable, tubeless, dual DNA compound, Rear: WTB Riddler TCS Light, 700x37c, foldable, tubeless, dual DNA compound

Disc Rotors

Shimano RT64, Front: 160mm, Rear: 160mm

Rider Notes
Riders Also Viewed

First added September 20

Last updated May 30