RFX Pro Series HCS Rear Sprocket KTM SX/EXC SXF/EXCF 125-530 91-20 (Steel) Various Sizes
RFX Pro Series HCS Rear Sprocket KTM SX/EXC SXF/EXCF 125-530 91-20 (Steel) Various Sizes
RFX Pro Series HCS Rear Sprocket KTM SX/EXC SXF/EXCF 125-530 91-20 (Steel) Various Sizes
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RFX

RFX Pro Series Hcs Rear Sprocket Ktm Sx/Exc Sxf/Excf 125-530 91-20 (Steel) Various Sizes

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SKU: FXRS 50- 99ST
Bike Brand: KTM
Bike Brand: Husqvarna
Material: HCS
Product Type: Rear Sprockets
£28.99
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Product Details  

RFX Pro Series HCS Rear Sprocket KTM SX/EXC SXF/EXCF 125-530 91-20 (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
125 EXC 91-98 520 FXRS 50-48 
125 EXC 99-07 520 FXRS 50-50 
125 EXC 08-16 520 FXRS 50-50 
125 SX 91-19 520 FXRS 50-50 
125 XC-W 17-19 520 FXRS 50-50 
144 SX 07-08 520 FXRS 50-50 
150 SX 09-19 520 FXRS 50-48 
150 XC-W 17-19 520 FXRS 50-50 
200 EXC  11-16 520 FXRS 50-45 
200 EXC/MXC 00-10 520 FXRS 50-48 
200 EXC/MXC 98-99 520 FXRS 50-50 
200 SX 03-06 520 FXRS 50-45 
250 EXC 91-03 520 FXRS 50-50 
250 EXC 05-19 520 FXRS 50-50 
250 EXC 04 520 FXRS 50-52 
250 EXC-F 02-03 520 FXRS 50-48 
250 EXC-F 04-19 520 FXRS 50-52 
250 SX 04-16 520 FXRS 50-48 
250 SX 90-03 520 FXRS 50-50 
250 SX 17-19 520 FXRS 50-50 
250 SX-F 06-16 520 FXRS 50-50 
250 SX-F 17-19 520 FXRS 50-51 
300 EXC 05-19 520 FXRS 50-50 
300 EXC 95-04 520 FXRS 50-52 
300 SX 90-96 520 FXRS 50-50 
350 EXC-F 11-19 520 FXRS 50-52 
350 SX-F 11-19 520 FXRS 50-50 
360 SX 96-97 520 FXRS 50-50 
380 EXC 00-01 520 FXRS 50-48 
380 SX 98-02 520 FXRS 50-50 
400 EXC-F 00-02 520 FXRS 50-48 
400 LC4/E 97-99 520 FXRS 50-45 
400 SX-F 99-02 520 FXRS 50-50 
440 SX 94 520 FXRS 50-50 
450 EXC-F 03-19 520 FXRS 50-52 
450 SMR 05-07 520 FXRS 50-45 
450 SMR 08-13 520 FXRS 50-48 
450 SX-F 17-19 520 FXRS 50-48 
450 SX-F 03 520 FXRS 50-50 
450 SX-F 13-16 520 FXRS 50-50 
450 SX-F 04-12 520 FXRS 50-52 
500 EXC 12-19 520 FXRS 50-50 
505 SX-F 07-12 520 FXRS 50-52 
520 EXC-F 00-02 520 FXRS 50-48 
520 SX-F 98-02 520 FXRS 50-48 
525 EXC-F 03-12 520 FXRS 50-48 
525 MXC Desert Racing 03-05 520 FXRS 50-45 
525 SMR 05 520 FXRS 50-45 
525 SX-F 03-12 520 FXRS 50-48 
530 EXC-F 08-11 520 FXRS 50-50 
600 LC4 90-92 520 FXRS 50-52 
620 SX (LC4) 94-98 520 FXRS 50-50 
625 SMC 05-07 520 FXRS 50-40 
625 SXC 03-06 520 FXRS 50-40 

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