V
VitusNucleus
mtb
01
Origin
Launched around 2017 as a value-first trail hardtail sold through Chain Reaction Cycles (parent company). The Nucleus quickly earned a cult following by delivering modern geometry — slack head angles, short chainstays, dropper routing — at a fraction of premium brands. By 2022 it had won the MBR Hardtail of the Year award four consecutive times.
02
Specifications
- Frame
- 6061-T6 Aluminium Alloy with boost spacing (148x12mm thru-axle), dropper post routing, UDH rear dropout
- Weight
- kg
- Drivetrain
- Shimano Cues 1x10 (2026 spec); earlier builds used Box Four 1x8. Prowheel 32T narrow-wide chainring
- Brakes
- Tektro HDM-280 hydraulic disc, 180mm front / 160mm rear rotors
- Wheels
- 27.5" (size S) or 29" (sizes M–XL), tubeless-ready rims
03
The verdict
+Strengths
- Modern geometry (slack HTA, short chainstays) punches above its weight class
- Four MBR HOTY awards validate consistent real-world performance
- Dropper routing and boost spacing future-proof the build
−Weaknesses
- Aluminium frame adds ~1 kg vs equivalent carbon hardtails
- Spec components (fork, brakes) are entry-mid tier; common first upgrade targets
- Wire-bead tyres rather than folding/tubeless-ready on base builds
04
Tags
05
Related models
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