Part No. SR839-57.S.JT
REAR SPROCKET JTR839.57 STEEL JT CHAIN SIZE 428

Fitment:

YAMAHA
DTR125 (DT125R) 1988-2003
DT125 RE 2004-2006
DT125 R Everts 2005-2006
DT125 X 2005-2006
TDR125 1989-1992
DT200 R 1988
WR125 R-Y,Z,A,B,D,E,F 2009-2015
WR125 X-Y,Z,A,B,D,E,F 2009-2015

Steel Sprockets JT Steel Sprockets are manufactured using only the finest grade of C49 high carbon steel for the rear sprockets, and SCM420 chromoly steel alloy for the front sprockets. The JT Steel Sprockets range now contains over 2,500 parts for all