Specs compared

KTM 125 SX 2027
vs Triumph TF 450-X 2026

SpecKTM 125 SX 2027Triumph TF 450-X 2026
Years20272026
Engine125cc 2T450cc 4T
Stock gearing13T / 50TOwner's manual p. 14613T / 49TManufacturer spec sheet (research)
Final drive ratio3.85 : 1Calculated from the stock sprockets3.77 : 1Calculated from the stock sprockets
Fork travel310 mm (12.2 in)Owner's manual p. 145310 mm (12.2 in)Manufacturer spec sheet (research)
Seat height958 mm (37.7 in)Owner's manual p. 146960 mm (37.8 in)Manufacturer spec sheet (research)
Weight92 kg (203 lb)Owner's manual p. 146108.3 kg (239 lb)Manufacturer spec sheet (research)

Each value shows where it came from. The bike pages list the document, page and date checked.