Sizes available:

Fits KX125 1986-1993 12 teeth

1994-2007 12 OR 13 teeth

Rear Sprocket 48,49,50,51 or 52teeth

Front Sprocket:

Renthal Front Sprockets/Chainwheels are simply the finest front sprocket on the market today.

Our Front Sprockets feature a specially developed Nickel-Chrome-Molybdenum steel which is case hardened and core refined to give the ultimate combination of strength and hardness.

Renthal Front Sprocket:

• Precision CNC Machined to extremely tight tolerances.
• Case hardened and core refined 655M13 Nickel-Chrome-Molybdenum alloy steel to give the ultimate combination of strength and hardness.
• Certain models available in factory ultralight design to further reduce weight and maximize performance.
• Most off road fronts feature self-cleaning mud grooves between every tooth on both sides help prevent dirt build up.
• Renthal are precision manufactured for maximum strength.

Rear Sprocket:

Renthal Ultralight™ rear chainwheels are manufactured to extremely tight tolerances from a special material developed to withstand the rigours of supercross, motocross and enduro racing.

The 7075 T6 aluminium alloy rear chainwheels are 66% lighter than steel, yet incredibly durable. Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life.

Renthal's combination of a very high strength base material and an exceptionally hardwearing surface result in significantly increased chainwheel life over other brands.

Renthal Ultralight™ Sprocket:

• Renthal Ultralight™ rear chainwheels are 66% lighter than steel.
• Precision CNC manufactured to extremely tight tolerances.
• High strength specially enhanced 7075 T6 aluminium alloy.
• Computer aided Ultralight™ design gives the maximum reduction of unsprung weight at the rear wheel, to give maximum power transfer.
• Self-cleaning mud grooves between every tooth on both sides prevent dirt build up.
• Renthal Ultralight ™ chainwheels are used by more factory motocross and supercross teams than any other chainwheel in the world

Chain: 

All chains are made with Japanese steel and meet all Japanese specs. Japanese quality at a lower price point.