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Planet X Bikes

Titus Roadrunner Campagnolo Ekar Titanium Gravel Bike

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The Roadrunner is our titanium framed all road bike, capable of covering mileage on the road...

The 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.

  • Campagnolo Ekar 13 Speed Drivetrain
  • Campagnolo Ekar Hydraulic Brakes
  • Fulcrum Racing 500 DB wheelset
  • Tyre Clearance up to 35mm
  • Titanium Frame with Carbon Fork (lifetime warranty on frame)
  • Approx Bike Weight (Medium) 9.4kg


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Titus Roadrunner Campagnolo Ekar Titanium Gravel Bike From $3,421.00
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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.

Campagnolo Ekar

Ekar is the world’s lightest gravel groupset (under 2.4kg): reliable, durable & fast. With a wide range, close ratio and no compromise, Ekar is designed from the ground up to give you the very best performance, riding experience and reliability for gravel, all-road and endurance riding on the toughest terrain where you want to face and challenge yourself. From the outset Campagnolo's engineers and design team tested and pursued the route of a 1x system being the best for gravel, and engaged with the challenge of creating the best possible implementation – and the light, efficient, precise 13-speed Ekar is what delivers.

Smooth, wide range gears.

A 10-44 cassette teamed with a 42 tooth carbon crankset ensures there is a full range of gearing with smooth, small steps for cadence progression, elegantly spaced progressions for smooth changes and no nasty cadence jumps. 1x offers maximum efficiency, no wasted gearing overlaps, and superior chain retention security. Its gears are designed to be gravel-specific with deliberate and natural-feeling progressive cadence control: 1-tooth steps for small sprockets and bigger steps for larger sprockets – for speeds to match every route.

Powerful hydraulic brakes.

Ekar features the best of proven Campagnolo disc brake performance and modulation, optimised for the very best gravel riding performance.

Product TypeDefault Component
Bar Tape / GripsPrologo Plain Touch Bar Tape / Black
FrameTitus Roadrunner Titanium Road Bike Frame / Medium
Handle BarSelcof Zeta V3 Alloy Road Bar / 42cm
SaddleSan Marco Monza Start Wide Saddle / Black / Carbon Steel
Seat PostSelcof Zeta 6061 Alloy Seatpost / 27.2mm / 350mm
StemSelcof Zeta 6061 Alloy Stem / 100mm / 31.8mm / 7 Degree
TyreHutchinson Challenger 700c Folding Tyre / 30mm / Black
Bottom BracketCampagnolo Pro-Tech BSC Bottom Bracket Cups / OC21-PRG
Brake spareCampagnolo AFS Steel Spider Rotor - 160mm
Brake spareCampagnolo Front Flatmount Disc Brake Adapter / 140-160mm
Brake spareRever Flat Mount Disc Brake Mounting Hardware / 27mm / Single
Brake spareSRAM Flat Mount Disc Brake Mounting Hardware / 15mm / Single
CassetteCampagnolo EKAR Sprocket / 9-42
ChainCampagnolo EKAR 13x Chain 117L inc Quicklink
Crank SetCampagnolo EKAR Crankset / 172.5mm / 42T
ForkSelcof London Road Carbon Flat Mount 12mm Thru Fork / Matt Black
Head SetSelcof Carbon Steerer Fork Bung MK 4 / 23-24mm ID
Gear LeversCampagnolo EKAR 1x13 Lever and 140 Caliper - Left
Gear LeversCampagnolo EKAR 1x13 Lever And 140 Caliper - Right
Gear cablesSelcof Gear Cable Barrel Adjuster For Road Bikes
Head SetSelcof Headset Spacer Set / 1 1/8" / 15mm + 10mm + 5mm / Black
Head SetSelcof SPORT Integrated Cup Angular Contact Cartridge Bearing V2 Headset For Tapered 1" 1/8th – 1.5" Fork Steerer
Rear MechCampagnolo EKAR 1x13 Rear Derailleur
Seat ClampSelcof Forged Alloy Bolt Up Seatclamp V3 / 31.8mm / 12mm / Black
Inner TubePanaracer Inner Tube / 700c / 35-50mm / Presta 48mm
Wheel PairFulcrum Rapid Red 500 700c Disc Centrelock Clincher Wheelset / Campagnolo N3W


Transcending the lines between a road and gravel bike, the Roadrunner really could be either, but in fact offers the geometry and components to excel in both disciplines. A light frame brings the overall bike weight down to allow you to hold a faster pace on the road than a gravel bike, while the 35mm tyre clearance and capable geometry means it wont feel phased by access roads or singletrack.



Controlling the shifting is Campagnolos sleek and smooth Ekar 13 speed drivetrain. With a wide range 10-44 cassette, youll find a perfect gear for every gradient. The stiff carbon crankarms, clutch derailleur and narrow-wide chainring will allow you to power over rough terrain with minimal chain noise. Ekar brakes provide power and control within any stopping distance whatever the weather.



Fulcrum's Racing 500 DB wheelset offer a great mix of lightness and durability. They're tubeless compatible, using a wide rim width for greater comfort with big tyres and utilise a rapid engagement freehub for quick acelleration no matter what gear youre in.

Finishing Kit

Finishing Kit

Selcof finishing kit used throughout the cockpit, offering a comfy shallow rise road bar and soft-touch bar tape.

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