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Planet X Bikes

Titus Roadrunner Titanium Road Bike Frame

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The Titus RoadRunner possesses the core geometry of an endurance road bike, combined with that of...

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 45mm tyres.


  • All-Road Geometry
  • Aerospace Grade 9 3AL-2.5V Titanium
  • Tyre Clearance 700c x 45mm
  • Lifetime Warranty

The core geometry of an endurance road bike, combined with that of a gravel racer. Resulting in a true all road capable machine. Smooth and stable, giving you confidence whether riding gravel trails or fully loaded for adventure. On the tarmac, it’s road bike soul will feel spritely and responsive. It will be comfortable, smoothing rough terrain and allowing for longer and less fatigued rides. Yet, it retains the high-speed pedigree of a road bike. Perfect for ultra-endurance expeditions.

Consisting of 94.5% titanium, 3% aluminium and 2.5% vanadium, 3AL-2.5V Titanium is the premium material for building bicycle frames. It has optimal, strength, fatigue endurance and corrosion-resistance. In fact, Titanium has the highest strength-to-weight ratio of all known metals, having the same strength as steel but saving 45% of the weight. Every tube, weld, profile, and feature has been meticulously designed to offer strength, responsiveness, comfort, and lightness. With an unmistakable ride quality, titanium is extremely corrosion resistant, meaning no rust (inside or out) whatever the climate. Strictly controlled tube thickness and shapes result in a frame that is strong, responsive, comfortable, and light. A tapered head tube allows for a large weld platform and bigger bearings. Resulting a stronger, less flexible, and better handling front end. Hourglass profile chain stays and a 27.2mm seat post give comfort and spring.

The custom bottom bracket yoke gives massive 700 x 48mm tyre clearance whilst also ensuring stiff power transfer. The BSA 68mm Bottom Bracket is ultra-durable, creak free and easily serviceable. Cables are routed externally for accessibility and ease of service. The CNC machined headtube badge and yoke decals are a thing of beauty.

We’re so confident in the materials & workmanship of our frames, that we offer a full lifetime warranty as standard. You can also share that confidence, knowing that we’ve got your back for years of riding ahead.

From £749.99

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Frame Material

3Al/ 2.5V Aerospace Grade 9 Titanium

Frame Weight, Approx, (med)


Wheel Axles

12 x 142mm Thru Axle

Seat Post Size


Seat Clamp Size


Front Mech Type

Band On

Front Mech Clamp Size


Wheel Size


Mudguard mounts


Rack Mounts


Bottle Cage Bosses


Brake Type

Flat Mount

Bottom Bracket

BSA Threaded 68mm

Dropper Compatible


Headset Type

Internal Tapered

Headset Model

FSA Orbit C-40 No42 ACB

Fork Length

395mm A/C

Tyre Clearance


Cable Routing

External Brake and Gear

Di2 Compatible



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