Titus Roadrunner SRAM Rival AXS XPLR All-Road Bike Titus Roadrunner SRAM Rival AXS XPLR All-Road Bike Titus Roadrunner SRAM Rival AXS XPLR All-Road Bike
Frame
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.
Groupset
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.
Frame
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.
Groupset
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.
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📏 Sizing and Geometry

Rider Height Suggested Frame Size
5′3″ to 5′6″ (160cm-168cm)  SML/480mm
5′6″ to 5′10″ (168cm-178cm)  MED/510mm
5′10″ to 6′1″ (178cm- 185cm)  LRG/540mm
6′1″ to 6′3″ (185cm- 191cm)  XL/570mm

    S
M L XL
A Head Angle (degrees) 70 71 71 71.3
B Head Tube (mm) 120 140 160 180
C Top Tube Effective(mm) 520 540 560 590
D Seat Tube Angle (degrees) 74.0 74.0 74.0 73.0
E Seat Tube C-T Actual (mm) 480 510 540 570
F Chainstays (mm) 435 435 435 435
G BB Drop (mm) 70 70 70 70
H Stack (mm) 528 550 569 588
I Reach (mm) 368 382 397 410
J Front Centre (mm) 598 610 631 647
K Wheelbase (mm) 1023 1035 1056 1073

🔧 Build Kit

SRAM Flat Mount Disc Brake Mounting Hardware / 27mm / Single
Selcof Carbon Steerer Fork Bung MK 4 / 23-24mm ID
Selcof Forged Alloy Bolt Up Seatclamp V3 / 31.8mm / 12mm / Black
Bike Build Packaging Rear Derailleur Protector
Selcof Headset Spacer Set / 1 1/8" / 15mm + 10mm + 5mm / Black
Token Omega Headset For Tapered 1" 1/8th – 1.5" Fork Steerer

🔧 Groupset

SRAM Rival AXS HRD Hydraulic Disc Brake Lever With Flat Mount Caliper / Left Lever / Rear Brake / 2000mm / FM 20mm Offset
SRAM Rival AXS HRD Hydraulic Disc Brake Lever With Flat Mount Caliper / Right Lever / Front Brake / 1000mm / FM 20mm Offset
SRAM DUB BSA Bottom Bracket / 68mm Road / 73mm Road Wide
SRAM XPLR XG-1271 12 Speed Cassette / 10-44 Tooth
SRAM Rival XPLR AXS 1x12 Speed Rear Mech / Max 44 Tooth
SRAM Rival AXS 12 Speed Chain / 120 Link
SRAM Flat Mount Disc Brake Mounting Hardware / 15mm / Single
Avid Centreline Disc Brake Rotor / 160mm Centrelock
Ashima Flat Mount Adapter - Direct To 20mm
SRAM GXP Bottom Bracket Spacer 2.5mm Single / Matt Black
SRAM Powerpack For AXS / 1 Battery
SRAM Hydraulic Hose Fitting Kit Includes Barb And Olive / Single Barb
SRAM Hydraulic Hose Fitting Kit Includes Barb And Olive / Single Olive

Finance with Newpay and Planet X

You could enjoy a credit limit of up to £5000, and once you’ve bought something, you can choose a payment plan to suit you. It’s super-easy to apply and we’ll even do a no-risk check first to see if you're eligible

Easy Assembly

Assembling your new bike couldn't be easier. Every bike comes expertly packed at least 95% pre assembled, with step by step instructions to get the bike ready to roll. 

So you can get out on that first ride without delay! 

Hand Built in South Yorkshire

All Planet X, On One, Holdsworth and Titus Bikes are expertly hand built to order in South Yorkshire.

Every bike is comprehensively inspected before shipping to ensure your bike is perfect when it arrives at your door.

Not sure on your size? Get Fitted!

Get fitted to your bike at Planet X Headquarters by one of our trained fitters. 

With our Mini Bike Fit, we can advise on sizing, optimise your ride for maximum comfort and efficiency and help you make the right component choices. all for a refundable deposit of £25.

Customer Reviews

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