Substance SRS 2
A steel frame gravel bike with high-end components and hydraulic disc brakes.
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MSRP | £1,699 (about $2,151) |
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Weight | 24.3 lbs |
Frame | Steel |
Suspension | Rigid |
Fork | Carbon |
Wheels | 650b Aluminum |
Drivetrain | 2 × 11 |
Groupset | GRX 800, GRX 600 |
Brakes | Hydraulic Disc |
For This Bike
5'0" – 5'4"
5'2" – 5'6"
5'4" – 5'9"
5'7" – 6'1"
5'11" – 6'3"
6'1" – 6'6"
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
Aug 2021 · Stu Kerton
Wide tyres and sorted gear ratios finish off a very comfortable and capable gravel adventure bike
2x chainset works on the road and gravel
Good value
Geometry gives smooth, balanced handling
WTB tyre sidewalls weep sealant at first
I would prefer a slightly wider flare on the bar
Apr 2021 · Warren Rossiter
British steel for big adventures
Great handling
Ride comfort
Quality frame
Below-par saddle
Some cassette noise
Dec 2018 · Marc Abbott
An affordable all-rounder that's ripe for tough riding
Frame | Substance 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. " BB Standard: BSA, 68mm, Threaded Color: Anthracite-Red |
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Fork | UD carbon, Full carbon tapered steerer, 100 x 12mm, mud-guard mounts. |
Bottom Bracket | BSA Threaded, Shimano SM-BBR60 68mm |
Headset | FSA NO.42, tapered 1 1/8"- 1 1/2", 45°/45° upper bearing 41.8 / 28.6, lower bearing 36 / 45 |
Stem | VITUS 6061 Aluminium, 3D Forged, bar bore 31.8mm, +/- 7 degrees, XS:80mm S:90mm M:90mm L:100mm XL:110mm XXL:110mm |
Handlebar | VITUS 6061 3° Flared Adventure, 128mm drop x 77mm reach, XS:400mm S:400mm M:420mm L:420mm XL:440mm XXL:440mm |
Saddle | VITUS, 0 |
Seatpost | VITUS 6061 Aluminium, 27.2mm x 350mm (300mm for XS and S), 12mm offset Type: Rigid |
Grips | VITUS, EVA cork |
Rear Derailleur | Shimano GRX 810, 11 Speed, Shadow-Plus |
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Front Derailleur | Shimano GRX 810, Band-On FD-RX810 |
Crank | Shimano GRX 600, FC-RX600 46-30T, Crank Lengths: XS:165mm S:170mm M:172.5mm L:172.5mm XL:175mm XXL:175mm |
Shifters | Shimano GRX 600, 11 spd |
Cassette | HG 70011 11/34T, 11spd |
Chain | KMC X-11, 116 Links, 11 speed |
Brakes | Front: Shimano GRX 600/400 Hydraulic, GRX 600 levers, GRX 400 Calipers, 160mm 6-BOLT Rotor, Rear: Shimano GRX 600/400 Hydraulic, GRX 600 levers, GRX 400 Calipers, 160mm 6-BOLT Rotor Type: Hydraulic Disc |
Rims | Front: WTB SpeedTerra TCS 2.0 650b, Tubeless Tape Installed, Rear: WTB SpeedTerra TCS 2.0 650b, Tubeless Tape Installed |
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Spokes | WTB, N/A |
Front Hub | WTB, 12 x 100mm, Sealed Enduro radial bearings, 6-bolt |
Rear Hub | WTB, 12 x 142mm, Sealed Enduro radial bearings, 6-bolt |
Tires | Front: WTB Byway 650b x 47 TCS Road Plus, Tan Sidewall, Dual DNA Compound, Lightweight Tubeless Casing, TCS Aramid Bead, Rear: WTB Byway 650b x 47 TCS Road Plus, Tan Sidewall, Dual DNA Compound, Lightweight Tubeless Casing, TCS Aramid Bead |
Last updated August 5
Not listed for 1,347 days