Specs compared
Triumph TF 250-X 2026 vs Triumph TF 450-X 2026
Motocross, stock specs side by side. Each value names the page it came from; a blank on either side stays blank.
Printed differently: engine, stock gearing, rear tire and weight. The same on both: front tire, fork travel, shock travel and seat height. Checked 16 Oct 2026.
| Spec | Triumph TF 250-X 2026 | Triumph TF 450-X 2026 |
|---|---|---|
| EnginePrinted differently | 250cc 4T | 450cc 4T |
| Stock gearingPrinted differently | 13T / 48TManufacturer spec sheet (research) | 13T / 49TManufacturer spec sheet (research) |
| Final drive ratio | 3.69 : 1Calculated from the stock sprockets | 3.77 : 1Calculated from the stock sprockets |
| Front tireSame | 80/100-21Manufacturer spec sheet (research) | 80/100-21Manufacturer spec sheet (research) |
| Rear tirePrinted differently | 100/90-19Manufacturer spec sheet (research) | 110/90-19Manufacturer spec sheet (research) |
| Fork travelSame | 310 mm (12.2 in)Manufacturer spec sheet (research) | 310 mm (12.2 in)Manufacturer spec sheet (research) |
| Shock travelSame | 305 mm (12.0 in)Manufacturer spec sheet (research) | 305 mm (12.0 in)Manufacturer spec sheet (research) |
| Seat heightSame | 960 mm (37.8 in)Manufacturer spec sheet (research) | 960 mm (37.8 in)Manufacturer spec sheet (research) |
| WeightPrinted differently | 104 kg (229 lb)Manufacturer spec sheet (research) | 108.3 kg (239 lb)Manufacturer spec sheet (research) |
Each value shows where it came from. The bike pages list the document, page and date checked. “Printed differently” only says the two documents print different figures; it is not a judgement of either bike.
Stock sizes at MotoSport. Triumph TF 250-X: Front tires 80/100-21 · Rear tires 100/90-19. Triumph TF 450-X: Front tires 80/100-21 · Rear tires 110/90-19. These are affiliate links: we may earn a commission, at no cost to you, and it never changes the specs. Affiliate disclosure.