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RFX Pro HCS Rear Sprocket RM125-250 RMZ250-450 86-25

Item No. 110669
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
In stock

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.
FXRS40-4899STFXRS40-4999STFXRS40-5099STFXRS40-5199ST
RaceFX Item No.
FXRS 40-48 99STFXRS 40-49 99STFXRS 40-50 99STFXRS 40-51 99ST

Compatibility

This item is compatible with the following vehicle(s):
MakeModelYear(s)
SUZUKIDR 250 S1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
SUZUKIRM-Z 2502007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
SUZUKIRM-Z 4502005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
SUZUKIRMX 2501989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
SUZUKIRMX 250 R1993, 1994
SUZUKIRMX 4502010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019

RFX Pro HCS Rear Sprocket RM125-250 RMZ250-450 86-25

Item No. 110669
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
In stock

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.
FXRS40-4899STFXRS40-4999STFXRS40-5099STFXRS40-5199ST
RaceFX Item No.
FXRS 40-48 99STFXRS 40-49 99STFXRS 40-50 99STFXRS 40-51 99ST

Compatibility

This item is compatible with the following vehicle(s):
MakeModelYear(s)
SUZUKIDR 250 S1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
SUZUKIRM-Z 2502007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
SUZUKIRM-Z 4502005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
SUZUKIRMX 2501989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
SUZUKIRMX 250 R1993, 1994
SUZUKIRMX 4502010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019