RFX Pro HCS Rear Sprocket YZ125-250 YZF250-450 99-25
Description
RFX Pro Series Hi-Carbon Steel (HCS) Rear Sprockets are the ideal choice for riders seeking exceptional durability, superior performance, and great value. Engineered from certified Hi-Carbon Steel, these sprockets deliver unmatched wear resistance and enhanced strength compared to mild steel alternatives.
Thanks to their added strength, the sprockets feature a lighter-profile design, minimising the weight difference compared to aluminium options without compromising on durability.
Each RFX HCS sprocket is precision laser-cut to ensure tighter tolerances and a perfect fit, offering reliable performance for every ride.
Product Features:
- Certified Hi-Carbon Steel
- CNC Laser Cut.
- CAD designed profile for lightness.
- Mud clearing grooves to reduce wear.
- Rigid design increases torsional strength.
- Tighter tolerances improve performance.
Fitting Instructions:
- Start with bike on a stand with the rear wheel raised from the ground.
- Remove chain and wheel from bike.
- While holding the Hex key loosen the nuts with a spanner.
- Remove all nuts and old sprocket.
- Clean around the hub making sure clean and free of debris.
- Take the new sprocket and place on hub ensuring a nice snug fit making sure the bolt holes are in position.
- Clean sprocket bolts & nuts.
- Apply Blue Loctite to each bolt and insert in the holes.
- Thread nuts on to bolts by hand ensuring locking seals are intact and in good condition.
- Hold Hex key in place and tighten nuts even pattern.
- Torque nuts and bolts in accordance to your owner’s manual.
- Put wheel back in bike making sure chain is corrected aligned and tightened to manufacturer’s specification.
Specifications
- Manufacturer Item No.
- FXRS31-4699STFXRS31-4699STFXRS31-4799STFXRS31-4899STFXRS31-4999STFXRS31-5099STFXRS31-5299ST
- RaceFX Item No.
- FXRS 31-46 99STFXRS 31-47 99STFXRS 31-48 99STFXRS 31-49 99STFXRS 31-50 99STFXRS 31-51 99STFXRS 31-52 99ST
Compatibility
Make | Model | Year(s) |
---|---|---|
FANTIC | XE 125 | 2021, 2022 |
FANTIC | XX 125 | 2021, 2022 |
HONDA | FX 650 VIGOR (RD09) | 2000 |
HONDA | NX 650 DOMINATOR (RD02) | 1988, 1989, 1990, 1991, 1992, 1993, 1994 |
HONDA | SLR 650 (RD09) | 1997, 1998 |
YAMAHA | TT-R 125 LW BIG WHEELS E ( | 2021 |
YAMAHA | TT-R 230 | 2005, 2006 |
YAMAHA | WR 125 Z | 1999, 2000, 2001, 2002, 2003 |
YAMAHA | WR 250 F | 2020, 2021, 2022 |
YAMAHA | WR 250 F (CG26) | 2007 |
YAMAHA | WR 250 F (CG30) | 2008, 2009, 2010, 2011, 2012, 2013, 2014 |
YAMAHA | WR 250 F (CG36) | 2015 |
YAMAHA | WR 250 F (RE25) | 2016, 2017, 2018, 2019 |
YAMAHA | WR 250 F ENDURO GP (RE25) | 2018 |
YAMAHA | WR 250 R (DG20) | 2016 |
YAMAHA | WR 400 F (CH04) | 1999, 2000 |
YAMAHA | WR 426 F (CJ02) | 2001, 2002 |
YAMAHA | WR 450 F | 2016, 2017, 2021, 2022 |
YAMAHA | WR 450 F (CJ04) | 2003, 2004 |
YAMAHA | WR 450 F (CJ07) | 2005 |
YAMAHA | WR 450 F (CJ09) | 2006 |
YAMAHA | WR 450 F (CJ12) | 2007 |
YAMAHA | WR 450 F (CJ13) | 2008, 2009, 2010, 2011 |
YAMAHA | WR 450 F (DJ03) | 2012, 2013, 2014, 2015 |
YAMAHA | WR 450 F (RE45) | 2018, 2019, 2020 |
YAMAHA | WR 450 F ENDURO GP (RE45) | 2018 |
YAMAHA | YZ 125 | 2024 |
YAMAHA | YZ 125 (CE03) | 1999 |
YAMAHA | YZ 125 (CE05) | 2000 |
YAMAHA | YZ 125 (CE08) | 2001 |
YAMAHA | YZ 125 (CE09) | 2002 |
YAMAHA | YZ 125 (CE10) | 2003 |
YAMAHA | YZ 125 (CE13) | 2004 |
YAMAHA | YZ 125 (CE15) | 2005 |
YAMAHA | YZ 125 (CE16) | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
YAMAHA | YZ 250 | 2024 |
YAMAHA | YZ 250 (CG05) | 1999 |
YAMAHA | YZ 250 (CG08) | 2000, 2001 |
YAMAHA | YZ 250 (CG12) | 2002 |
YAMAHA | YZ 250 (CG13) | 2003 |
YAMAHA | YZ 250 (CG17) | 2004 |
YAMAHA | YZ 250 (CG20) | 2005 |
YAMAHA | YZ 250 (CG23) | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
YAMAHA | YZ 250 F | 2022, 2023, 2024 |
YAMAHA | YZ 250 F (CG10) | 2001, 2002 |
YAMAHA | YZ 250 F (CG14) | 2003 |
YAMAHA | YZ 250 F (CG18) | 2004 |
YAMAHA | YZ 250 F (CG21) | 2005 |
YAMAHA | YZ 250 F (CG25) | 2006 |
YAMAHA | YZ 250 F (CG27) | 2007, 2008, 2009 |
YAMAHA | YZ 250 F (CG33) | 2010, 2011, 2012, 2013 |
YAMAHA | YZ 250 F (CG34) | 2014, 2015, 2016 |
YAMAHA | YZ 250 F (CG39) | 2017, 2018 |
YAMAHA | YZ 250 F (CG40) | 2019, 2020, 2021 |
YAMAHA | YZ 250 FX | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
YAMAHA | YZ 250 X | 2016, 2017, 2018, 2019, 2020 |
YAMAHA | YZ 400 F (CH03) | 1999 |
YAMAHA | YZ 426 F (CJ01) | 2000, 2001, 2002 |
YAMAHA | YZ 450 F | 2022, 2023, 2024, 2025 |
YAMAHA | YZ 450 F (CJ03) | 2003 |
YAMAHA | YZ 450 F (CJ05) | 2004 |
YAMAHA | YZ 450 F (CJ06) | 2005 |
YAMAHA | YZ 450 F (CJ10) | 2006, 2007, 2008, 2009 |
YAMAHA | YZ 450 F (CJ15) | 2010, 2011, 2012, 2013 |
YAMAHA | YZ 450 F (CJ18) | 2014, 2015 |
YAMAHA | YZ 450 F (CJ21) | 2016, 2017 |
YAMAHA | YZ 450 F (CJ22) | 2018 |
YAMAHA | YZ 450 F (CJ23) | 2019, 2020, 2021 |
YAMAHA | YZ 450 FX | 2016, 2017, 2018, 2019, 2020 |
RFX Pro HCS Rear Sprocket YZ125-250 YZF250-450 99-25
Description
RFX Pro Series Hi-Carbon Steel (HCS) Rear Sprockets are the ideal choice for riders seeking exceptional durability, superior performance, and great value. Engineered from certified Hi-Carbon Steel, these sprockets deliver unmatched wear resistance and enhanced strength compared to mild steel alternatives.
Thanks to their added strength, the sprockets feature a lighter-profile design, minimising the weight difference compared to aluminium options without compromising on durability.
Each RFX HCS sprocket is precision laser-cut to ensure tighter tolerances and a perfect fit, offering reliable performance for every ride.
Product Features:
- Certified Hi-Carbon Steel
- CNC Laser Cut.
- CAD designed profile for lightness.
- Mud clearing grooves to reduce wear.
- Rigid design increases torsional strength.
- Tighter tolerances improve performance.
Fitting Instructions:
- Start with bike on a stand with the rear wheel raised from the ground.
- Remove chain and wheel from bike.
- While holding the Hex key loosen the nuts with a spanner.
- Remove all nuts and old sprocket.
- Clean around the hub making sure clean and free of debris.
- Take the new sprocket and place on hub ensuring a nice snug fit making sure the bolt holes are in position.
- Clean sprocket bolts & nuts.
- Apply Blue Loctite to each bolt and insert in the holes.
- Thread nuts on to bolts by hand ensuring locking seals are intact and in good condition.
- Hold Hex key in place and tighten nuts even pattern.
- Torque nuts and bolts in accordance to your owner’s manual.
- Put wheel back in bike making sure chain is corrected aligned and tightened to manufacturer’s specification.
Specifications
- Manufacturer Item No.
- FXRS31-4699STFXRS31-4699STFXRS31-4799STFXRS31-4899STFXRS31-4999STFXRS31-5099STFXRS31-5299ST
- RaceFX Item No.
- FXRS 31-46 99STFXRS 31-47 99STFXRS 31-48 99STFXRS 31-49 99STFXRS 31-50 99STFXRS 31-51 99STFXRS 31-52 99ST
Compatibility
Make | Model | Year(s) |
---|---|---|
FANTIC | XE 125 | 2021, 2022 |
FANTIC | XX 125 | 2021, 2022 |
HONDA | FX 650 VIGOR (RD09) | 2000 |
HONDA | NX 650 DOMINATOR (RD02) | 1988, 1989, 1990, 1991, 1992, 1993, 1994 |
HONDA | SLR 650 (RD09) | 1997, 1998 |
YAMAHA | TT-R 125 LW BIG WHEELS E ( | 2021 |
YAMAHA | TT-R 230 | 2005, 2006 |
YAMAHA | WR 125 Z | 1999, 2000, 2001, 2002, 2003 |
YAMAHA | WR 250 F | 2020, 2021, 2022 |
YAMAHA | WR 250 F (CG26) | 2007 |
YAMAHA | WR 250 F (CG30) | 2008, 2009, 2010, 2011, 2012, 2013, 2014 |
YAMAHA | WR 250 F (CG36) | 2015 |
YAMAHA | WR 250 F (RE25) | 2016, 2017, 2018, 2019 |
YAMAHA | WR 250 F ENDURO GP (RE25) | 2018 |
YAMAHA | WR 250 R (DG20) | 2016 |
YAMAHA | WR 400 F (CH04) | 1999, 2000 |
YAMAHA | WR 426 F (CJ02) | 2001, 2002 |
YAMAHA | WR 450 F | 2016, 2017, 2021, 2022 |
YAMAHA | WR 450 F (CJ04) | 2003, 2004 |
YAMAHA | WR 450 F (CJ07) | 2005 |
YAMAHA | WR 450 F (CJ09) | 2006 |
YAMAHA | WR 450 F (CJ12) | 2007 |
YAMAHA | WR 450 F (CJ13) | 2008, 2009, 2010, 2011 |
YAMAHA | WR 450 F (DJ03) | 2012, 2013, 2014, 2015 |
YAMAHA | WR 450 F (RE45) | 2018, 2019, 2020 |
YAMAHA | WR 450 F ENDURO GP (RE45) | 2018 |
YAMAHA | YZ 125 | 2024 |
YAMAHA | YZ 125 (CE03) | 1999 |
YAMAHA | YZ 125 (CE05) | 2000 |
YAMAHA | YZ 125 (CE08) | 2001 |
YAMAHA | YZ 125 (CE09) | 2002 |
YAMAHA | YZ 125 (CE10) | 2003 |
YAMAHA | YZ 125 (CE13) | 2004 |
YAMAHA | YZ 125 (CE15) | 2005 |
YAMAHA | YZ 125 (CE16) | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
YAMAHA | YZ 250 | 2024 |
YAMAHA | YZ 250 (CG05) | 1999 |
YAMAHA | YZ 250 (CG08) | 2000, 2001 |
YAMAHA | YZ 250 (CG12) | 2002 |
YAMAHA | YZ 250 (CG13) | 2003 |
YAMAHA | YZ 250 (CG17) | 2004 |
YAMAHA | YZ 250 (CG20) | 2005 |
YAMAHA | YZ 250 (CG23) | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
YAMAHA | YZ 250 F | 2022, 2023, 2024 |
YAMAHA | YZ 250 F (CG10) | 2001, 2002 |
YAMAHA | YZ 250 F (CG14) | 2003 |
YAMAHA | YZ 250 F (CG18) | 2004 |
YAMAHA | YZ 250 F (CG21) | 2005 |
YAMAHA | YZ 250 F (CG25) | 2006 |
YAMAHA | YZ 250 F (CG27) | 2007, 2008, 2009 |
YAMAHA | YZ 250 F (CG33) | 2010, 2011, 2012, 2013 |
YAMAHA | YZ 250 F (CG34) | 2014, 2015, 2016 |
YAMAHA | YZ 250 F (CG39) | 2017, 2018 |
YAMAHA | YZ 250 F (CG40) | 2019, 2020, 2021 |
YAMAHA | YZ 250 FX | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
YAMAHA | YZ 250 X | 2016, 2017, 2018, 2019, 2020 |
YAMAHA | YZ 400 F (CH03) | 1999 |
YAMAHA | YZ 426 F (CJ01) | 2000, 2001, 2002 |
YAMAHA | YZ 450 F | 2022, 2023, 2024, 2025 |
YAMAHA | YZ 450 F (CJ03) | 2003 |
YAMAHA | YZ 450 F (CJ05) | 2004 |
YAMAHA | YZ 450 F (CJ06) | 2005 |
YAMAHA | YZ 450 F (CJ10) | 2006, 2007, 2008, 2009 |
YAMAHA | YZ 450 F (CJ15) | 2010, 2011, 2012, 2013 |
YAMAHA | YZ 450 F (CJ18) | 2014, 2015 |
YAMAHA | YZ 450 F (CJ21) | 2016, 2017 |
YAMAHA | YZ 450 F (CJ22) | 2018 |
YAMAHA | YZ 450 F (CJ23) | 2019, 2020, 2021 |
YAMAHA | YZ 450 FX | 2016, 2017, 2018, 2019, 2020 |