Planet X Bikes
Titus Roadrunner SRAM Rival AXS XPLR All-Road Bike
+ Add to Compare ✔ In ComparisonThe Roadrunner is our titanium framed all road bike, capable of covering mileage on the road while still having the geometry and tyre clearance required for gravel excursions. If you want a bike that will cover all types of terrain without holding you back on any of them, the Roadrunner is the bike for you.
- SRAM Rival AXS XPLR Wireless Drivetrain
- Vision Team AGX Disc Gravel Wheels
- Titanium Frame and carbon fork
- Lifetime frame warranty
- Tyre clearance up to 35mm
Smooth, stable, and confidence inspiring. Whether riding gravel trails or fully loaded for adventure. On the tarmac, its endurance road soul is spritely and responsive. Leaving the tarmac, it’s massively capable and comfortable, allowing for longer and less fatigued rides. Perfect for ultra-endurance expeditions. Meticulously designed and constructed using Aerospace Grade 9 3AL-2.5V Titanium to offer unparalleled lightness, strength, and ride quality, The Roadrunner is made for the long haul, and has a lifetime frame warranty to prove it.
SRAM Rival AXS XPLR
Featuring ultra-reliable wireless shifting, intuitive gearing, AXS App connectivity, and refined hydraulic disc brakes. It’s everything you could ask for in a modern gravel groupset.
Wireless Shifting
Clean, safe, and reliable. SRAM Rival AXS XPLR wireless gear shifting is simple and intuitive. One button to go easier, one to go harder. Simple. A 60-minute battery charge can offer weeks and weeks of rides, it’s 100% waterproof and proven in the hardest conditions on earth. No cables to stretch or get clogged with dirt. SRAM Rival AXS XPLR just works.
Efficient and Capable Gearing
12-speed gearing provides huge range but keeps jumps tight where needed. Meaning you’ll always be able to find the right gear. Combining an incredible 440% gear range. Whether spinning up the steepest gravel singletrack or rolling fast on the road. We’ve paired the 40-tooth chainset to the XPLR XG-1251 10-44 tooth rear cassette. The dedicated XPLR rear mech is lightning fast and reliable.
AXS Mobile App
Control, personalisation, and monitoring are at your fingertips with the AXS mobile app. See how much time you spend in each cog, customise your shifting configuration, check battery charge status, and update firmware as needed right from your phone.
Disc Brakes for ultimate control
SRAM Rival AXS XPLR provides the best braking experience for all riders. Powerful hydraulic disc braking to inspire confidence, whatever the terrain or weather. No more achy hands after long descents. Reach adjustability for different hand sizes mean suitability for everyone.
| Product Type | Default Component |
| Bar Tape / Grips | Prologo Plain Touch Bar Tape / Black |
| Crank Set | SRAM Rival 1 AXS 12 Speed Chainset / 172.5mm / 40 Tooth |
| Frame | Titus Roadrunner Titanium Road Bike Frame / Medium |
| Handle Bar | Selcof Zeta V3 Alloy Road Bar / 42cm |
| Saddle | San Marco Shortfit Open-Fit Start-Up Superwide Saddle / Xsilite Rail |
| Seat Post | Selcof Zeta 6061 Alloy Seatpost / 27.2mm / 350mm |
| Stem | Selcof Zeta 6061 Alloy Stem / 100mm / 31.8mm / 7 Degree |
| Tyre | Hutchinson Challenger 700c Folding Tyre / 30mm / Black |
| Wheel Pair | Vision Team 30 AGX I23 CL Disc 700c Gravel Wheelset / XDR |
| Bottom Bracket | SRAM DUB BSA Bottom Bracket / 68mm Road / 73mm Road Wide |
| Bottom Bracket | SRAM GXP Bottom Bracket Spacer 2.5mm Single / Matt Black |
| Brake spare | Avid Centreline Disc Brake Rotor / 160mm Centrelock |
| Brake spare | SRAM Hydraulic Hose Fitting Kit Includes Barb And Olive / Single Barb |
| Brake spare | SRAM Hydraulic Hose Fitting Kit Includes Barb And Olive / Single Olive |
| Brake spare | SRAM Flat Mount Disc Brake Mounting Hardware / 15mm / Single |
| Brake spare | SRAM Flat Mount Disc Brake Mounting Hardware / 27mm / Single |
| Cassette | SRAM XPLR XG-1271 12 Speed Cassette / 10-44 Tooth |
| Chain | SRAM Rival AXS 12 Speed Chain / 120 Link |
| Fork | Selcof London Road Carbon Flat Mount 12mm Thru Fork / Matt Black |
| Head Set | Selcof Carbon Steerer Fork Bung MK 4 / 23-24mm ID |
| Gear Levers | SRAM Rival AXS HRD Hydraulic Disc Brake Lever With Flat Mount Caliper / Right Lever / Front Brake / 1000mm / FM 20mm Offset |
| Gear Levers | SRAM Rival AXS HRD Hydraulic Disc Brake Lever With Flat Mount Caliper / Left Lever / Rear Brake / 2000mm / FM 20mm Offset |
| Head Set | Selcof Headset Spacer Set / 1 1/8" / 15mm + 10mm + 5mm / Black |
| Head Set | Selcof SPORT Integrated Cup Angular Contact Cartridge Bearing V2 Headset For Tapered 1" 1/8th – 1.5" Fork Steerer |
| Rear Mech | SRAM Rival XPLR AXS 1x12 Speed Rear Mech / Max 44 Tooth |
| Seat Clamp | Selcof Forged Alloy Bolt Up Seatclamp V3 / 31.8mm / 12mm / Black |
| Inner Tube | Panaracer Inner Tube / 700c / 35-50mm / Presta 48mm |
| Frame Spare | SRAM Powerpack For AXS / 1 Battery |
Frame
The Titus RoadRunner possesses the core geometry of an endurance road bike, combined with that of a gravel racer. Resulting in an ultra-endurance, all road capable machine with clearance for 36mm tyres. Meticulously designed and constructed using Aerospace Grade 9 3AL-2.5V Titanium to offer unparalleled lightness, strength, and ride quality, its made for the long haul and has a lifetime frame warranty to prove it.
Groupset
Featuring ultra-reliable wireless shifting, intuitive gearing, AXS App connectivity, and refined hydraulic disc brakes. Its everything you could ask for in a modern gravel groupset.
Wheels
With a semi-aero shape and 23mm internal rim diameter, the Team AGX Gravel wheelset is a perfect choice for performance gravel bikes.
Finishing Kit
Selcof provide the finishing kit. The shallow drop alloy Zeta handlebar is paired with lightweight and dependable Zeta alloy stem and seat post. The saddle is Italian made from Selle San Marco.