RRP: £


New to mountain biking? Welcome to the most fun you can have on two wheels. But to take on the trails, you are going to need a bike that is up to the job.

Built around our triple-butted, heat-treated 6061 aluminium frame, the Nucleus offers 100mm of front suspension travel with lockout mode for city streets or fire-road climbs; high-volume tyres for comfort and grip; powerful mechanical disc brakes for reliable stopping power – even in the wet – and a 27-speed transmission to get you over the steepest ascents.

The Nucleus is the perfect introduction to the fun of off-road riding as well as being ideally suited to city commuting, towpath trails and more.

Nucleus. The trail awaits.

Triple-butted Heat Treated 6061 Aluminium Frame & RockShox XC30 Forks
A lightweight triple-butted, heat treated 6061 aluminium frame features hydroformed tubing and a replaceable derailleur hanger combining rugged capability and responsive handling.Front suspension is controlled by the dependable

RockShox XC30 forks with 100mm of bump absorbing travel with Lock-Out for climbing and general commuting. With disc brake mounts as standard; the Vitus Nucleus leaves rim brakes where they belong, on the road!

SRAM Groupset
A full SRAM groupset with X4 shifters and derailleurs and a triple chainset at the heart of the drivetrain will offer a wide gear ratio which will suit novice and enthusiast riders alike. Stopping power is provided by Avid BB5 mechanical disc brakes front and rear bringing high performance braking to the masses. A  SRAM/Mavic wheelset is wrapped in Schwalbe Smart Sam tyres which will keep you rolling along with minimal fuss.  We give you lightweight performance for everyday use combined with strength and durability for off-road duties.

Finishing Kit
Truvativ Stylo bars and stem take care of the steering duties in a lightweight yet durable trail ready package.


FrameTriple-Butted 6061 Aluminium
ForksRockShox XC30
Bottom Bracket
ShiftersSRAM X4
Front DerailleurSRAM X4
Rear DerailleurSRAM X4
CassetteSRAM PG-820
Front HubSRAM Disc
Rear HubSRAM Disc
TyresSchwalbe Smart Sam
Front BrakeAvid BB5 Mechanical Disc
Rear BrakeAvid BB5 Mechanical Disc
HandlebarsTruvativ Stylo T10
StemTruvativ Stylo T20
HeadsetFSA Integrated
SeatpostVitus Alloy
Weight13.6kg (18”)


Size (cm) 16″ 18″ 20″
Rec. Rider Height (ins)
Rec. Rider Height (cm)
Rec. Inside Leg (ins)
Rec. Inside Leg (cm)
Seat Tube Length
Top Tube Length
Effective Top Tube 588.5mm 605mm 625mm
Chainstay Length 426mm 426mm 426mm
Head tube Length 115mm 140mm 155mm
Head Tube Angle 67.5° 67.5° 67.5°
Seat Tube Angle 72° 72.5° 73°
Bottom Bracket Drop
Seat Post Diameter
Bottom Bracket
Front Mech
Rear Axle
Frame Material
Fork Material

Other 2012 Mountain Bikes Models

Previous Models

2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018
| 2019