Vitus Nucleus 260

BuyMTB Summary

• Great value – do it all hardtail mtb.

• Solid beginner platform

• 120mm travel front fork

• decent weight bicycle – not too heavy

• good tyres and finishing kit for the price


Vitus Bikes Nucleus 260 Hardtail Bike

Ready to step up to the challenge of off road riding? Meet the Nucleus range of trail centre inspired hardtails; the perfect introduction to proper mountain biking with lightweight aluminium frame and exceptional components package! The Nucleus 260 with 26” wheels features Suntour XCM suspension forks, Shimano Acera/Altus shifters and deraileurs with Tektro mechanical disc brakes at an unbelievable price, the Nucleus 260 presents great value for money!

Lightweight Mechanical Formed 6061-T6 Aluminium  Frame & Suntour XCM Fork

A lightweight 6061-T6 aluminium frame provides a bombproof chasis for trail centre assaults with great upgrade potential for fitting a chainguide thanks to the ISCG tabs. Our aggressive trail geometry has been designed around 26” wheels and a 120mm travel fork; a short headtube and low bottom bracket keep the centre of gravity low to provide improved handling and inspire confidence. Suntour XCM forks feature hydraulic Lock-Out & Preload adjustment with 120mm of coil sprung travel.

Shimano Acera/Altus & Suntour Groupset

A full complement of gears are catered for by Shimano Acera and Altus shifters and derailleurs with a Suntour XCT triple chainset providing the driving force at the heart of the transmission. Disc brake technology is now available to first time mountain bikers on our entry level Nucleus 260, Tektro Novela mechanical disc brakes offer excellent stopping power in any weather conditions ensuring you stay in control no matter what the trail throws in your way!

Vitus Wheelset & Finishing Kit

Vitus provides the wheels and finishing kit for the Nucleus range of bikes. The Nucleus 260 features SRAM MTH-306 disc hubs on Vitus double wall alloy disc rims. WTB Bronson tyres are a trail centre favourite and provide low rolling resistance and predictable handling. Finishing kit is supplied by Vitus with our lightweight 6061 alloy stem, bars and seatpost providing high performance components which have been colour coded to match the frame decals.



  • Frame: Mechanical Formed 6061-T6 Aluminium
  • Frame Certification: CE EN14766
  • Forks: Suntour XCM LO, Coil Spring With Preload Adjustment And Lock Out Mode, 120mm Travel


  • Chainset: Suntour XCT-T312, 175mm, 42t x 32t x 22t
  • Bottom Bracket: Square Taper (BSA)
  • Brake/Shift Levers: Shimano Acera SL-M310
  • Front Derailleur: Shimano FD-M190
  • Rear Derailleur: Shimano Altus RD-M280
  • Cassette: Shimano, 11t-32t, 8-Speed
  • Chain: KMC Z72, 8-Speed


  • Rims: Vitus Disc, Double Wall Alloy, Single Eyelets
  • Front Hub: SRAM MTH-306 Disc, QR
  • Rear Hub: SRAM MTH-306 Disc, QR
  • Tyres: WTB Bronson Comp, 26” x 2.1”


  • Front Brake: Tektro Novela Mechanical Disc, 160mm Rotors
  • Rear Brake: Tektro Novela Mechanical Disc, 160mm Rotors
  • Handlebars: Vitus Riser Bar, 6061 Double Butted Alloy, 740mm Wide, 15mm Rise
  • Grips: Vitus Lock-On
  • Headset: FSA Orbit 1.5B Zero Stack (No.57B-1), 1.1/8” – 1.5”
  • Saddle: Vitus
  • Seatpost: Vitus Alloy, 6061-T6, 15mm Offset, 31.6mm x 400mm

Weight: 13.8kg/30.5lbs (Medium)

Why Buy a Vitus Bike?

Direct Sales = Value for you

Vitus offers direct sales through Chain Reaction Cycles. There is no middleman which means you deal direct with us and we can keep our prices low. Vitus develop and deliver your bike without any wholesalers or retail outlets. This allows us to offer you the best bike at the best possible price.

Direct Customer Contact

We are always there for you both before and after you make a purchase. We’ve designed, built and delivered your bike which means if you need assistance you can speak to exactly the right person. We offer a full tech back-up service through Chain Reaction Cycles including our online size and geometry charts and video bike fit guides.

Innovation and Design

By choosing Vitus you are assured of technological innovation and design that comes from true passion. Our in-house research and development team work with the latest technologies and materials, combining these with inspiration from our rich heritage and feedback from our test riders to produce bikes that are high in quality and value.

Pre Delivery Inspection

All Vitus bikes receive a fully delivery pre-inspection from our Cytech trained mechanics – preparing and packaging your bike so you can get out on the trails or tarmac with the least amount of fuss. As part of this process we ensure your gears and brakes are working correctly and check your spoke tension to ensure your wheels stay in shape. You can be confident that your bike has been safely built whatever your mechanical skill level and we provide you with the necessary tools and simple instructions to get you rolling in no time. Our easy-to-follow videos are available on our website 24/7 to guide you along the way should you need them.

Secure Worldwide Shipping

Vitus Bikes are shipped through Chain Reaction Cycles: The World’s Largest Online Bikestore. All bikes are shipped fully insured and as mentioned above require minimal assembly on arrival. We accept payment via credit card, bank transfer or Paypal and every transaction is safe and secure.

5 Year Warranty

All Vitus frames and forks are offered with a 5 year warranty. On top of this we also offer an extended 2 year warranty on all components.