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Bossnut

Calibre Bossnut
Photo: BikeRadar · from their review ↗
Reviewers liked
  • Excellent geometry
  • very good value for money
  • performance potential is unparalleled at this price
  • stock components good for beginners
Watch out for
  • Spec can’t match the frame’s performance
  • rear-wheel spoke tension needs frequent checking
  • fork compression spike
  • tyres lack traction

See how it ranks: Best bikes →

Expert reviews

Calibre Bossnut review: a bargain with the potential to slay £4,00 bikes | BikeRadarPhoto: BikeRadar
Expert review · 1 Apr 2025

BikeRadar

2025 model
Reviewed at £1,700
4/5
“The Bossnut’s performance potential is both its biggest draw and its downfall – upgrades are essential to realise that potential”
  • +Excellent geometry
  • +very good value for money
  • +performance potential is unparalleled at this price
  • +stock components good for beginners
  • −Spec can’t match the frame’s performance
  • −rear-wheel spoke tension needs frequent checking
  • −fork compression spike
  • −tyres lack traction
  • −brakes feel wooden