Renthal 154U-520-51GRSI Ultralight Rear Sprocket - Silver - 51T trailers-ramps-trailer-accessories-spare-tires Replaces OEM #37523-85

Replaces OEM #37523-85

2010 Triumph Thunderbird

1995-2005 Harley Davidson FLHTCUI Electra Glide Ultra Classic

1993 KTM 125 EXC

Safe on o-ring

Renthal 154U-520-51GRSI Ultralight Rear Sprocket - Silver - 51T trailers-ramps-trailer-accessories-spare-tires Replaces OEM #37523-85Marketing Color: Silver Material: Aluminum Sprocket Position: Rear Sprocket Size: 520 Sprocket Teeth: 51 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