RFX Pro Series HCS Rear Sprocket Honda CR125-500 CRF250-450 83-16 (Steel) Various Sizes
RFX Pro Series Hi-Carbon Steel (HCS) sprockets are perfect for the rider looking for longevity and value for money from their sprockets while offering genuine quality not found elsewhere.
Certified Hi-Carbon Steel offers unbeatable wear properties and its added strength over mild steel allows for a lighter profile design, this means the weight increase over aluminium is kept to a minimum.
RFX HCS sprockets are precision Laser cut for more precision and tighter tolerances.
Pro Series HCS Sprocket 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.
Bike | Year | Pitch | Part Number |
CR 125 | 86-99 | 520 | FXRS 10-51 |
CR 125 | 02 | 520 | FXRS 10-51 |
CR 125 | 00-01 | 520 | FXRS 10-52 |
CR 125 | 03 | 520 | FXRS 10-52 |
CR 125 | 05-07 | 520 | FXRS 10-52 |
CR 125 | 04 | 520 | FXRS 10-53 |
CR 250 | 02-03 | 520 | FXRS 10-48 |
CR 250 | 92-95 | 520 | FXRS 10-49 |
CR 250 | 05-07 | 520 | FXRS 10-49 |
CR 250 | 96-01 | 520 | FXRS 10-50 |
CR 250 | 04 | 520 | FXRS 10-50 |
CR 250 | 84-87 | 520 | FXRS 10-51 |
CR 250 | 88-89 | 520 | FXRS 10-51 |
CR 250 | 90-91 | 520 | FXRS 10-53 |
CR 500 | 92-01 | 520 | FXRS 10-49 |
CR 500 | 84-85 | 520 | FXRS 10-51 |
CR 500 | 86-87 | 520 | FXRS 10-51 |
CR 500 | 88-91 | 520 | FXRS 10-51 |
CRF 230 | 05-13 | 520 | FXRS 10-50 |
CRF 250 | 18-19 | 520 | FXRS 10-48 |
CRF 250 | 10 | 520 | FXRS 10-48 |
CRF 250 | 11-17 | 520 | FXRS 10-49 |
CRF 250 | 04-09 | 520 | FXRS 10-51 |
CRF 250 RX | 2019 | 520 | FXRS 10-48 |
CRF 250 X | 04-19 | 520 | FXRS 10-48 |
CRF 450 | 17-19 | 520 | FXRS 10-49 |
CRF 450 | 04-16 | 520 | FXRS 10-48 |
CRF 450 | 02-03 | 520 | FXRS 10-50 |
CRF 450 RX | 2019 | 520 | FXRS 10-49 |
CRF 450 X | 05-18 | 520 | FXRS 10-51 |
XR 250 | 96-04 | 520 | FXRS 10-48 |
XR 650 | 00-10 | 520 | FXRS 10-48 |