Sprockets
Drive Train
HONDA Models
Years Part No 1983 - 07 SR210- 2003 - 09 SR210- 1984 - 08 SR210- 1979 - 89 SR245-
Teeth Sizes Available 47, 48, 49, 50, 51, 52, 53 47, 48, 49, 50, 51, 52, 53 47, 48, 49, 50, 51, 52, 53 47, 48, 49, 50, 51, 52 47, 48, 49, 50, 51, 52, 53 47, 48, 49, 50, 51, 52, 53 47, 48, 49, 50, 51, 52, 53 47, 48, 49, 50, 51, 52, 53 47, 48, 49, 50, 51, 52, 53 47, 48, 49, 50, 51, 52
CR 125
CRF 150F/230F
CR 250 XR 250
2004 - 20
CRF 250R CRF 250X CRF 450R CRF 450X
SR210-
2004 - 16 SR210- 2002 - 18 SR210- 2005 - 19 SR210- 1984 - 05 SR210- 1983 - 90 SR245-
Duo Rear Sprocket DUO line is a Bi-Metal sprocket (C45 steel induction hardened teeth & 7075T6 Alloy core) developed with the intent to extend the sprocket and chain lifetime (more than double compared the usual alloy). Both parts are CNC machined for a perfect fitting and fixed with stainless rivets. Particularly suggested for Enduro, Rally Raid, sand track and mud conditions.
CR 500 XR 600
KTM Models
Years Part No
Teeth Sizes Available
1991 - 20
125 EXC/SX
SR990- SR990- SR990-
48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52 48, 49, 50, 51, 52
144 SX
2008
2009 - 20
150 SX/XC 200 EXC/SX
1998 - 17 SR990- 2009 - 17 SR990-
200 XC/XC-W 250 EXC/SX/XC 250 EXC-F/SX-F 350 EXC-F/SX-F
Steel Rear Sprocket Steel line is made in C45 steel with induction hardened teeth for higher resistance and less wear, light weight core, black anti-oxide plating and mud grooves line around the diameter.
1990 - 20 2006 - 20 2011 - 20
SR990- SR990- SR990-
400 SX
1999 - 02 SR990-
440
1994 2003
SR990- SR990- SR990- SR990- SR990-
450 SX
2004 - 20 2013 - 20
450 EXC/SX-F 500 EXC/EXC-F 500 XC-F/XC-W
2013
505 SX-F
2008 - 09 SR990- 1999 - 06 SR990- 2008 - 11 SR990-
520/525 SX
530 EXC
YAMAHA Models
Years Part No
Teeth Sizes Available
1999 - 20
YZ 125
SR245-
47, 48, 49, 50, 51 47, 48, 49, 50, 51 47, 48, 49, 50, 51 47, 48, 49, 50, 51 47, 48, 49, 50, 51 47, 48, 49, 50, 51 47, 48, 49, 50, 51 47, 48, 49, 50, 51 47, 48, 49, 50, 51
WR 250F YZ 250 YZ 250F
2001 - 19 SR245-
1999 - 20 2001 - 20
SR245- SR245-
Alu Rear Sprocket Aluminium line is made in EC-Ergal Colored & Silver 7075-T6 alloy with self-cleaning mud grooves between each tooth to prevent dirt built up, new teeth design to improve chain engagement and extend chain life, anodized colours to improve the durability.
WR 400F/426F
1999 - 02 SR245-
YZ 400F YZ 426F WR 450F YZ 450F
1999
SR245-
2000 - 02 SR245- 2003 - 16 SR245- 2003 - 19 SR245-
*Please visit our website for current prices
E-mail: sales@oro2u.com
www.oro2u.com
F239
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