Renthal 121U-428-50GPBU Engine Timing Idler Sprocket

Sprocket Teeth: 50
Color: Blue
Sprocket Size: 428
Material: Aluminum
Sprocket Position: Rear

Renthal Ultralight rear chainwheels are manufactured to exteremly tight tolerences from a special material developed to withstand the rigours of Supercross, Motocross and Enduro.
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.
Renthals combination of a very high strength base material and an exceptionally hardwearing surface result in significantly increased chainwheel life


This Item Fits the Following Applications:
2003-2012 Suzuki RM85L
2002-2013 Yamaha YZ85
2002-2012 Suzuki RM85
1993-2001 Yamaha YZ80
1989-2001 Suzuki RM80