Yamaha YZ250 1976 - 1998 Supersprox 49t Rear Sprocket Lightweight Alloy

Supersprox Rear Sprocket Lightweight Alloy

Supersprox Alloy sprockets are produced using high accuracy CNC machining centres. 7075-T6 Aluminium is used for durability. Hard anodising the surface gives excellent life and smooth chain contact, and the sprocket start at a light weight of just 280g!

Want STRONGER teeth?

Supersprox has developed several unique products over the past 45 years. We have also pioneered the way forward in technical design. Back in 2004, we introduced a special tooth design that increases chain contact and significantly extends the sprocket life - Its an exclusive feature!

7075-T6 Aerospace aluminium for maximum durability.
CNC machined to incredibly tight tolerances that allow perfect concentricity and accuracy of fit.
The Works-Light design has allowed optimum weight reduction, whilst keeping the product super strong. It's 67% lighter than a steel sprocket! Supersprox patented tooth profile will increase chain life up to 15%.
Chain vibration (slap) will be reduced, giving smoother acceleration.
The exceptionally hard wearing surface and dirt grooves will give significantly increased chain wheel life, it'll outlast the competition.
The anodised anti-corrosion surface is technical and attractive, and its hard coating aids to prolonged system life.

Fitment Details

• Yamaha YZ250 1976
• Yamaha YZ250 1977
• Yamaha YZ250 1978
• Yamaha YZ250 1979
• Yamaha YZ250 1980
• Yamaha YZ250 1981
• Yamaha YZ250 1982
• Yamaha YZ250 1983
• Yamaha YZ250 1984
• Yamaha YZ250 1985
• Yamaha YZ250 1986
• Yamaha YZ250 1987
• Yamaha YZ250 1988
• Yamaha YZ250 1989
• Yamaha YZ250 1990
• Yamaha YZ250 1991
• Yamaha YZ250 1992
• Yamaha YZ250 1993
• Yamaha YZ250 1994
• Yamaha YZ250 1995
• Yamaha YZ250 1996
• Yamaha YZ250 1997
• Yamaha YZ250 1998