Vitus Substance SRS-1 Adventure Road BikeThe Substance SRS-1 drop-bar adventure bike will take on all terrain types without missing a beat, as its tough and light Reynolds steel frame/carbon fork combination is built up with tough and reliable components. These include SRAM Apex 1×11 gears, Prime Kanza 650b (27.5″) wheels and wide WTB Byway tyres.Adventure Bike with a Reynolds Steel FrameBuilt with a Reynolds 725 Heat-Treated Chrome-Moly double-butted steel frame from the legendary British tubing manufacturers and designed to take both 700c and 650b wheels & tyres, the possibilities with this bike are endless. The Substance offers you a new way to ride.SRAM Apex Gravel Bike GroupsetFeaturing a tapered headtube and full T-700 UD carbon forks, the Substance steel is born tough. This bike is made for round-the-world adventures 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-1 is fitted with SRAM’s Apex 1 hydraulic groupset, giving you a gear range that can cope with any terrain. X-Sync technology from the chainset and a Roller Bearing Clutch on the rear mech means your chain will always stay firmly planted, whatever the adventure.Wide, High-Grip WTB Gravel TyresThe Substance SRS-1 is fitted with WTB SpeedTerra 650b TCS wheels, with big volume WTB Venture TCS 47mm tyres. 650b is perfect for adventure cycling with the large outer diameter keeping 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 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 SRS-1 featuring a 16-degree bar flare.Features: Frame: Substance Reynolds 725 Heat Treated Double Butted Steel, Mudguard Mounts, Rack Mounts, 12mm x 142mm axle, Flat Mount Fork: Substance UD Carbon, Tapered Steerer, 100 x 12mm, Mudguard Mounts, Flat Mount Headset: ACROS Aix 322 R3, Sealed Bearings, OD48, 1 1/8″ – 1 1/2″ , 41.8 / 28.6mm – 52 / 40mm Bottom Bracket: SRAM GXP, BSA Threaded English, 68mm Handlebar: Vitus 6061 Aluminium Wing, 77mm Reach, 128mm Drop, 3 Degree Flare, XS: 400mm S: 400mm M: 420mm L: 420mm XL: 440mm XXL: 440mm Stem: Vitus 6061 Aluminium, 3D Forged, Bar Bore 31.8mm, +/- 7 degrees, XS: 80mm S: 90mm M: 90mm L: 100mm XL: 100mm Bar Tape: Vitus Super Grip Wheelset: Prime Kanza Aluminium Disc, 650b, Double Butted Spokes, 12 x 100mm Front, 12 x 142mm Rear, Centre Lock, HG Freehub Tyres: WTB Byway TCS Road Plus, 650b x 47, Tubeless Ready, Dual DNA Compound, UST Aramid Bead Chain: KMC X11, 11-Speed Crankset: SRAM Apex X-Sync, 40T, XS: 165mm S: 170mm M: 172.5mm L: 172.5mm XL: 175mm XXL: 175mm Brakes: SRAM Apex, hydraulic disc brakes, Flat Mount Rotors: SRAM Centreline, Front: 160mm, Rear: 160mm Front Derailleur: N/A Rear Derailleur: SRAM Apex 11-Speed, long cage Shifters: SRAM Force 1×11-Speed Cassette: Sunrace RX8, 11-42T, 11-Speed Saddle: Vitus, Crn-Ti rails Seat Post: Vitus 6061 Aluminium, 27.2mm x 350mm, 15mm Offset Seatclamp: Vitus Aluminium, 31.8mm Axles: Vitus 12mm Thru-AxlesEasy AssemblyWhen you order a bike, one of our trained mechanics will carefully prepare and pack your bike for shipping. Upon delivery, the assembly is simple and all necessary tools are conveniently included in the box.Depending on the delivery service and destination, bikes will either be delivered in a large or a small box. Below is a guide as to how your bike will arrive: All bikes for delivery within the UK and Republic of Ireland will be delivered in a large box, except for kids’ bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for delivery within the EU on a standard service will be delivered in a large box. If an express delivery option is chosen, your bike will be packed into a small box. Again, the exception is kids’ bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for worldwide delivery outside the EU will be delivered in small boxes.This video demonstrates assembly from a SMALL BOX.This video demonstrates assembly from a LARGE BOX.Buy Vitus Bikes from Chain Reaction Cycles, the World’s Largest Online Bike Store.