Vitus Substance GRX 2026 Gravel Bike

On road, off road, the choice is yours. A bike designed to be ridden wherever you want to go. Uphill, downhill, fast on the flats. No problem. With a great range of gears from the Shimano GRX 2x11 speed. And great stopping power from the Shimano GRX brakes. Great for gravel days out, loaded up bike-packing adventures or mixed terrain commutes.

Somone looking for the best value hydraulic brake gravel bike in the market. A rider who wants their bike to go wherever they want to go. Someone one who wants a great range of gears from the 2x11 speed Shimano GRX drivetrain and powerful GRX hydraulic disc brakes.

Key Features

• 6061 Alloy frame, thru-axle, universal derailleur hanger, internal cable routing, dropper post routing, rack and mudguard mounts


• Shimano GRX 2x11 gears


• Shimano GRX hydraulic disc brakes


• WTB ST i23 rims


• WTB 700x37c TCS DNA light compound, tubeless tires

Specifications

Frameset

• Frame: 6061 Alloy, UDH, internal routing, flat mount. rack mounts. Dropper routing.


• Fork: UD Carbon, carbon steerer, thru-axle, mudguard and rack mounts.

Wheels

• Rims: WTB 700c STi23 TCS2.0, 32h, 23mm internal.


• Hubs: Novotech D791SB, 32h, thru-axle, 12x100(f) 12x142(r), 6-bolt.


• Tyres: WTB Riddler TCS Light, 700x37c, foldable, tubeless, dual DNA compound.

Drivetrain

• Crankset: FSA Omega 46x36t, megaexo.


• Shifters: Shimano GRX 2x11 speed.


• Rear Derailleur: Shimano GRX RD-RX810 GRX, shadow RD+.


• Front Derailleur: Shimano GRX FD-RX810 GRX.


• Chain: KMC X11, 11-speed, 120 link.


• Cassette: Shimano CH-HG900-11, 11-34t, 11-13-15-17-19-21-23-25-27-30-34.


• Bottom Bracket: FSA Omega, BSA .

Components

• Handlebar: Alloy flared 16-deg, 128mm drop, 77mm reach. S 440mm w, M-XL 460mm w


• Stem: Alloy 31.8mm, 7-degree, S 90mm, M-XL 100mm.


• Grips: Velo VLT-001


• Brakes: Shimano GRX, flat mount.


• Saddle: Black, steel rail.


• Seatpost: Alloy 30.9x350mm. 15mm offset.

Vitus Substance Sizing