DirtTricks - Rear Sprocket for Yamaha 250-450 YZ-F / WR-F 1999 to 2025 import_date_2024-11-46 Flat-lock seams provides all-day comfort

Flat-lock seams provides all-day comfort

Powder coated TOUGH

*Also Fits CRF450L Models

No sediment

there’s CE-rated SEESOFT ankle disc protection and a reinforced toe cap

DirtTricks - Rear Sprocket for Yamaha 250-450 YZ-F / WR-F 1999 to 2025 import_date_2024-11-46 Flat-lock seams provides all-day comfortThe Dirt Tricks Rear Sprocket was designed and patented by Dirt Tricks president and engineer Greg Burns in 2002, using his knowledge of aerospace steels, heat treatments, as well as FEA stress analysis. Being an expert desert racer, Greg became tired of changing aluminum sprockets every two months. His goal was to create a sprocket that would last an entire season of hard riding, yet be comparable in weight to aluminum. Thus, the Dirt Tricks sprocket