High-Performance Adventure Gravel BikeUnique Renyolds 725 Steel Frame with multiple bottle mounts |
Frame MaterialReynolds 725 Heat Treated Cro-mo Steel |
Wheel Size650b fitted, compatible with 700c |
GroupsetShimano GRX 600 |
WeightLarge: 11kg |
The Substance is the bike that will go anywhere you point it; on whatever road surface you choose.
With a brand-new Reynolds 725 Heat-Treated Chrome-Moly double butted steel frame from the legendary British tubing manufacturers. Paired to carbon fork designed to take both 700c and 650b wheels & tyres, the possibilities are endless. The Substance offers you a new way to ride.
Featuring a tapered headtube, and full T-700 UD carbon forks, the Substance steel is born tough. This bike is made for round-the-world adventure or dependable and comfortable commuting. With the addition of mounts for mudguards, luggage, and multiple bottles, it’s also capable of going anywhere for any amount of time.
The Substance SRS-2 is fitted with Shimano’s newly released GRX 600 groupset – the world’s first dedicated gravel groupset. Paired with the GRX 810 rear mech, this 11 speed 2X groupset delivers a smooth and quiet drivetrain, specifically tuned for gravel/adventure riding.
The Substance SRS-2 is fitted with WTB SpeedTerra 650b TCS wheels, with big volume WTB Byway TCS 47mm tyres. We believe 650b is the future of adventure cycling, the large outer diameter keeps your wheels rolling over bumps, whilst the added tyre volume allows you to adjust pressures depending on the terrain for grip, comfort, and luggage weight. The Wheels and tyres are tubeless ready, so just install the supplied valves and add sealant if you want to run tubeless.
Finishing kit is made up of a Vitus 6061 aluminium handlebar, stem, and seat post. The handlebars feature a flat top section for added comfort on and off road, with the Substance CRS-2 featuring a 3-degree bar flare. The bike is finished with a Vitus saddle with Ti rails.
Specifications
 FRAMESubstance Reynolds 725 Heat Treated Chrome-Moly Steel “External cable routing (full outer), 142 x 12mm rear end, mudguard mounts, rack mounts, 3 bottle cage mounts. “ |
 REAR HUB WTB 12 x 142mm, Sealed Enduro radial bearings, 6-bolt |
 FORKSUD carbon Full carbon tapered steerer, 100 x 12mm, mud-guard mounts. |
 SPOKESWTB
N/A |
 CHAINSETShimano GRX 600 FC-RX600 46-30T, Crank Lengths: XS:165mm S:170mm M:172.5mm L:172.5mm XL:175mm XXL:175mm |
 FRONT TYREWTB Byway 650b x 47 TCS Road Plus Tan Sidewall, Dual DNA Compound, Lightweight Tubeless Casing, TCS Aramid Bead |
 BOTTOM BRACKETBSA Threaded Shimano SM-BBR60 68mm |
REAR TYREWTB Byway 650b x 47 TCS Road Plus Tan Sidewall, Dual DNA Compound, Lightweight Tubeless Casing, TCS Aramid Bead |
 FRONT DERAILLEURShimano GRX 810 Band-On FD-RX810 |
 FRONT BRAKEShimano GRX 600/400 Hydraulic GRX 600 levers, GRX 400 Calipers, 160mm 6-BOLT Rotor |
 REAR DERAILLEURShimano GRX 810 11 Speed, Shadow-Plus |
REAR BRAKEShimano GRX 600/400 Hydraulic GRX 600 levers, GRX 400 Calipers, 160mm 6-BOLT Rotor |
 FRONT SHIFTERShimano GRX 600 2 spd |
 HANDLEBARSVITUS 6061 3° Flared Adventure 128mm drop x 77mm reach, XS:400mm S:400mm M:420mm L:420mm XL:440mm XXL:440mm |
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REAR SHIFTERShimano GRX 600 11 spd |
 STEMVITUS 6061 Aluminium 3D Forged, bar bore 31.8mm, +/- 7 degrees, XS:80mm S:90mm M:90mm L:100mm XL:110mm XXL:110mm |
 CASSETTEHG 70011 11/34T 11spd |
 HEADSETFSA NO.42 tapered 1 1/8″- 1 1/2″, 45°/45° upper bearing 41.8 / 28.6, lower bearing 36 / 45 |
 CHAINKMC X-11 116 Links, 11 speed |
 GRIPSVITUS EVA cork |
 FRONT RIMWTB SpeedTerra TCS 2.0 650b Tubeless Tape Installed |
 SADDLEVITUS 0 |
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REAR RIMWTB SpeedTerra TCS 2.0 650b Tubeless Tape Installed |
 SEATPOSTVITUS 6061 Aluminium 27.2mm x 350mm (300mm for XS and S), 12mm offset |
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FRONT HUBWTB 12 x 100mm, Sealed Enduro radial bearings, 6-bolt |
 SEATCLAMPVITUS 30mm |
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