Vitus Nucleus Mountain Bike 2026

The Vitus Nucleus is the mountain bike you never forget. The one that got you hooked. It’s everything a mountain bike should be - comfortable, reliable and predictable. But above all, it’s fun.

The Nucleus is versatile enough to ride anywhere, but you’ll have the best time riding proper trails. It feels like a mountain bike should, inspiring confidence when riding off-road, over rough ground and when tackling trail obstacles. This is a real mountain bike and a proven performer, but don’t just take our word for it. The Nucleus is a multi award-winner that has been voted Hardtail of the Year four times in a row by MBR Magazine.

Riding your first mountain bike requires full trust in the equipment. As the trail twists and turns, rises and falls, you need to feel in complete control. The tried and tested geometry of the Nucleus has reassuring stability and agility that keeps your body relaxed and your smile wide. To match, the bike arrives equipped with high-quality, durable components. Hydraulic disc brakes are responsive no matter the conditions, the fork uses SR Suntour air-sprung suspension and the no-fuss Shimano Cues drivetrain ensures the gear shifting is fast and light. But this bike won’t be left behind as your confidence grows. With the award-winning aluminium frame at its core, you will be able to fully customise and upgrade the setup to best suit your riding style and keep your mountain biking skills rolling forward.

Your first mountain bike should arm you with everything required to enjoy this sport. To set you on your way to unlocking the excitement of riding trails. The Nucleus is not off-the-shelf, it’s tailored specifically for the needs of a new mountain biker.

6061 alloy frame with UDH, thru-axle, boost spacing and dropper post routing

• Modern, confidence-inspiring trail geometry.
• Suntour Raidon 120mm air-sprung fork, boost spacing, thru-axle
• Shimano Cues 1x10 speed drivetrain
• Tektro HDM-280 hydraulic disc brakes
• Maxxis Forekaster 2.4 tires

Award Winning Trail Hardtail Four time MBR Hardtail of the Year

Frame Material 6061-T6 Aluminium Alloy

Suspension Travel 120mm Fork

Wheel Size S - 27.5", M,L,XL - 29"

Available Size S, M, L, XL

Colour  Black

Weight: Medium: 13.5kg

Available at: Evans Cycles, Wiggle and Chain Reaction Cycles

Specifications

FRAMENucleus Aluminium 6061-T6 UDH, thru-axle, external cable routing, dropper post routing	REAR HUB Joytech D041-B15 Disc, 6 bolt, 32h
FORKSSuntour Raidon 32 Boost, 120mm, air sprung, short fender	WHEELSETVitus 30mm internal diameter, 32h
SHOCKN/A N/A	FRONT TYREMaxxis Forekaster 2.4" wire bead 60tpi
CHAINSETProwheel FD04S, 32t narrow-wide, 170mm	REAR TYREMaxxis Forekaster 2.4" wire bead 60tpi
BOTTOM BRACKETProwheel FD04s	BRAKESTektro HDM-280 hydraulic disc, F: 180mm rotor, R: 160mm
FRONT DERAILLEURN/A N/A	BRAKE ROTORSTektro F: 180mm rotor, R: 160mm
REAR DERAILLEURShimano Cues 10 Speed RD-U600, 10-speed, shadow plus	HANDLEBARSVitus Alloy, 31.8mm, 20mm rise, 6 deg, S: 760mm, M-XL:780mm
SHIFTERSShimano Cues 10 Speed SL-U600-10R, 10-speed, rapid fire	STEMVitus Alloy, 31.8mm, 3 deg rise, 45mm
CASSETTEShimano Cues 10 Speed 11-46t	HEADSETNeco ZS44/28.6 upper & ZS56/28.6 lower 1-1/8" Upper To 1.5" Lower Headtube Reduced To Suit 1-1/8" Straight Steerer
CHAINShimano Cues 10 Speed	GRIPSVelo Lock On Black 132mm grip
FRONT RIMVitus 30mm internal diameter, 32h	SADDLEVitus Steel Rails
REAR RIMVitus 30mm internal diameter, 32h	SEATPOSTVitus Alloy Alloy, 31.6mm, 350mm, 15mm offset
FRONT HUBJoytech D041-B15 Disk, 6 bolt, 32h	SEATCLAMPVitus 34.9mm Diameter