Manufactured to exacting tolerance using SCM420 chromoly st
Each JT 420 countershaft sprocket is heat treated then bead blasted to reduce surface friction and enhance chain and sprocket longevity
Every JT sprocket goes through up to 25 production stages and 10 individual quality control checks before it is ready to leave the factory
Sold individually
Product Note:
Specification
Details
Chain Pitch
420
Material
Steel
Position
Front
Teeth
14T
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Kawasaki
KDX80 1981-1988
KX100 1995-2009, 2011-2021
KX60 1983-1988, 1990-2003
KX65 2000-2026
KX80 1979-2000
KX80 Big Wheel 1987-1994
KX85 2001-2025
Suzuki
RM100 2003
RM60 2003
RM65 2003-2005
Yamaha
BW80 Big Wheel 1986-1988, 1990
DT100 1977-1983
DT50 Enduro 1988-1990
LB50P Chappy 1978-1982
LB80IIA Chappy 1976-1978
MX100 1979-1983
RT100 1990, 1992-2000
TT-R110E 2008-2009, 2011-2021
TT-R50E 2006-2009, 2012-2021
TT-R90 2000-2004
TT-R90E 2003-2007
YZ60 1981-1983
Customer Reviews
Fit as described
By Michael M. on
Verified Purchaser
Fit as described
Amazing product
By Emmett F. on
Verified Purchaser
Couldn't be better really gives my crf 70 that extra power I need on hills I can use all of the gears well now.
Front sprocket
By Thomas K. on
Verified Purchaser
Exact fit!
Great parts
By Tony M. on
Verified Purchaser
Great product
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Questions & Answers
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