JT Sprockets® JTR802.42 - Rear High Carbon Steel Sprocket

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Product Details

Rear High Carbon Steel Sprocket (JTR802.42) by JT Sprockets®. Teeth Quantity: 42. Chain Pitch: 428. JT Sprockets is the world's leading brand of sprockets for motorcycles and ATVs. Using only the finest raw materials and using cutting edge technology in their production, JT Sprockets range gives you the ultimate in replacement sprockets at unbeatable value. JT Steel Sprockets are manufactured using only the finest grade of C49 high carbon steel for the rear sprockets.


  • Increased strength and durability
  • Unrivaled quality matched with excellent reliability
  • Will serve you for many years to come

JT Sprockets® is the world's leading manufacturer of aftermarket sprockets, constantly raising the industry's standards for quality. Its factory is fully equipped with high accuracy machinery, including the latest generation of CNC computer design and computer controlled metal cutting equipment. The company manufactures its sprockets by hobbing, machining and drilling to achieve the closest of tolerances and the most accurate teeth profiles. Before leaving the factory, each sprocket goes through up to 25 production stages and 10 individual quality control checks. This allows JT Sprockets to offer the finest grade sprockets in the marketplace.

Part Number:
Alternate MPN:
JTR80242, 249679

Vehicle Fitment

G3 1969-1974
G4 1970-1975
GPZ550 1984-1985
KD100 1976-1979
KD80 1975-1976, 1982-1987
KE100 1976-1998
KH100 1976-1977
KM100 1976-1981
KS125 1974-1975
KV100 1976
DS80 1978-1983, 1985-2000
JR80 2001-2003
RM80 1977-1981


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JT Sprockets® JTR802.42 - Rear High Carbon Steel Sprocket

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