• -25.35%
RFX Pro Series HCS Steel Rear Sprocket - 520 - 49 Teeth
RFX Pro Series HCS Steel Rear Sprocket - 520 - 49 Teeth

RFX Pro Series HCS Steel Rear Sprocket - 520 - 49 Teeth

RFX
FXRS 50-49 99ST
Shipped the 19/09/2026
€29.86 €40.00 -25.35%
Tax included

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.
Stock availibility Yes

 
Compatibilités véhicule
Modèles compatibles vérifiés
184
KOVE, TRIUMPH, GASGAS, KTM 2015-2026
Voir tous les modèles compatibles
2026 KOVE 450 RALLY 2026 - RED 450cc KOVE 450 RALLY LOW 2026 - RED 450cc TRIUMPH TF 250-E 250cc TRIUMPH TF 250-X 250cc TRIUMPH TF 450-E 450cc TRIUMPH TF 450-RC 450cc TRIUMPH TF 450-X 450cc
2025 GASGAS EC 125 125cc GASGAS EC 250 250cc GASGAS EC 250F 250cc GASGAS EC 300 300cc GASGAS EC 350F 350cc GASGAS EC 450F 450cc GASGAS EC 500F 500cc GASGAS MC 125 125cc GASGAS MC 150 150cc GASGAS MC 250 250cc GASGAS MC 250F 250cc GASGAS MC 300 300cc GASGAS MC 350F 350cc GASGAS MC 450F 450cc GASGAS MC 450F PRADO EDITION 450cc KOVE 450 RALLY - RED 450cc KOVE 450 RALLY LOW - RED 450cc KTM 150 EXC 2025 <2025><EU><F7103Y6> 150cc KTM 150 SX 2025 <2025><EU><F6301Y1> 150cc KTM 250 EXC-F 2025 <2025><EU><F8103Y9> 250cc KTM 350 EXC-F 2025 <2025><EU><F8203Y9> 350cc KTM 450 EXC-F 2025 <2025><EU><F8403Y9> 450cc KTM 500 EXC-F 2025 <2025><EU><F8503Y9> 500cc TRIUMPH TF 250-E 250cc TRIUMPH TF 250-X 250cc TRIUMPH TF 450-E 450cc TRIUMPH TF 450-RC 450cc
2024 GASGAS EC 250 250cc GASGAS EC 250F 250cc GASGAS EC 250F IKD 250cc GASGAS EC 350F 350cc GASGAS EC 450F 450cc GASGAS EC 500F 500cc GASGAS MC 125 125cc GASGAS MC 250 250cc GASGAS MC 250F 250cc GASGAS MC 250F Factory Edition 250cc GASGAS MC 250F IKD 250cc GASGAS MC 350F 350cc GASGAS MC 450F 450cc GASGAS MC 450F FACTORY EDITION 450cc KTM 150 EXC 2024 <2024><EU><F7103X6> 150cc KTM 250 EXC-F 2024 <2024><EU><F8103X9> 250cc KTM 350 EXC-F 2024 <2024><EU><F8203X9> 350cc KTM 450 EXC-F 2024 <2024><EU><F8403X9> 450cc KTM 500 EXC-F 2024 <2024><EU><F8503X9> 500cc TRIUMPH TF 250-X 250cc
2023 GASGAS EC 250F 250cc GASGAS EC 250F IKD 250cc GASGAS EC 350F 350cc GASGAS MC 125 125cc GASGAS MC 250 250cc GASGAS MC 250 BT 250cc GASGAS MC 250F 250cc GASGAS MC 250F BT 250cc GASGAS MC 250F Factory Edition 250cc GASGAS MC 250F IKD 250cc GASGAS MC 350F 350cc GASGAS MC 450F 450cc GASGAS MC 450F FACTORY EDITION 450cc KTM 150 EXC 2023 <2023><EU><F7103W6> 150cc KTM 250 EXC 2023 <2023><EU><F7303W7> 250cc KTM 250 EXC-F 2023 <2023><EU><F8103W9> 250cc KTM 300 EXC 2023 <2023><EU><F7403W7> 300cc KTM 350 EXC-F 2023 <2023><EU><F8203W9> 350cc KTM 450 EXC-F 2023 <2023><EU><F8403W9> 450cc KTM 500 EXC-F 2023 <2023><EU><F8503W9> 500cc
2022 GASGAS EC 250 250cc GASGAS EC 250F 250cc GASGAS EC 350F 350cc GASGAS MC 125 125cc GASGAS MC 250 250cc GASGAS MC 350F 350cc GASGAS MC 450F TROY LEE DESIGNS 450cc GASGAS TXT GP 125 125cc GASGAS TXT RACING 125 125cc KTM 125 SX 2022 <2022><EU><F6101V0> 125cc KTM 150 EXC TPI 2022 <2022><EU><F7103V6> 150cc KTM 150 SX 2022 <2022><EU><F6101V1> 150cc KTM 250 EXC TPI 2022 <2022><EU><F7303V7> 250cc KTM 250 EXC-F 2022 <2022><EU><F8103V9> 250cc KTM 250 SX 2022 <2022><EU><F6301V0> 250cc KTM 250 SX-F 2022 <2022><F8101V5> 250cc KTM 300 EXC TPI 2022 <2022><EU><F7403V7> 300cc KTM 350 EXC-F 2022 <2022><EU><F8203V9> 350cc KTM 350 SX-F 2022 <2022><EU><F8201V5> 350cc KTM 450 EXC-F 2022 <2022><EU><F8403V9> 450cc KTM 450 SX-F 2022 <2022><EU><F8401V5> 450cc KTM 500 EXC-F 2022 <2022><EU><F8503V9> 500cc
2021 GASGAS EC 250F 250cc GASGAS EC 350F 350cc GASGAS MC 250F 250cc GASGAS MC 450F 450cc KTM 125 SX 2021 <2021><EU><F6101U0> 125cc KTM 150 EXC TPI 2021 <2021><EU><F7103U6> 150cc KTM 150 SX 2021 <2021><EU><F6101U1> 150cc KTM 250 EXC TPI 2021 <2021><EU><F7303U7> 250cc KTM 250 EXC-F 2021 <2021><EU><F8103U9> 250cc KTM 250 SX 2021 <2021><EU><F6301U0> 250cc KTM 250 SX-F 2021 <2021><EU><F8101U5> 250cc KTM 250 SX-F TROY LEE DESIGNS 2021 <2021><EU><F8103U6> 250cc KTM 300 EXC TPI 2021 <2021><EU><F7403U7> 300cc KTM 350 EXC-F 2021 <2021><EU><F8203U9> 350cc KTM 350 SX-F 2021 <2021><EU><F8201U5> 350cc KTM 450 EXC-F 2021 <2021><EU><F8403U9> 450cc KTM 450 SX-F 2021 <2021><EU><F8401U5> 450cc KTM 500 EXC-F 2021 <2021><EU><F8503U9> 500cc
2020 KTM 125 SX 2020 <2020><EU><F6101T0> 125cc KTM 150 EXC TPI 2020 <2020><EU><F7103T6> 150cc KTM 150 SX 2020 <2020><EU><F6101T1> 150cc KTM 250 EXC TPI 2020 <2020><EU><F7303T7> 250cc KTM 250 EXC-F 2020 <2020><EU><F8103T9> 250cc KTM 250 SX 2020 <2020><EU><F6301T0> 250cc KTM 250 SX-F 2020 <2020><EU><F8101T5> 250cc KTM 300 EXC TPI 2020 <2020><EU><F7403T7> 300cc KTM 350 EXC-F 2020 <2020><EU><F8203T9> 350cc KTM 350 SX-F 2020 <2020><EU><F8201T5> 350cc KTM 450 EXC-F 2020 <2020><EU><F8403T9> 450cc KTM 450 SX-F 2020 <2020><EU><F8401T5> 450cc KTM 500 EXC-F 2020 <2020><EU><F8503T9> 500cc
2019 KTM 125 SX 2019 <2019><EU><F6101S0> 125cc KTM 125 XC-W 2019 <2019><EU><F7103S3> 125cc KTM 150 SX 2019 <2019><EU><F6101S1> 150cc KTM 250 EXC TPI 2019 <2019><EU><F7303S7> 250cc KTM 250 EXC-F 2019 <2019><EU><F8103S9> 250cc KTM 250 SX 2019 <2019><EU><F6301S0> 250cc KTM 250 SX-F 2019 <2019><EU><F8101S5> 250cc KTM 300 EXC TPI 2019 <2019><EU><F7403S7> 300cc KTM 350 EXC-F 2019 <2019><EU><F8203S9> 350cc KTM 350 SX-F 2019 <2019><EU><F8201S5> 350cc KTM 450 EXC-F 2019 <2019><EU><F8403S9> 450cc KTM 450 SX-F 2019 <2019><EU><F8401S5> 450cc KTM 500 EXC-F 2019 <2019><EU><F8503S9> 500cc
2018 KTM 125 SX 2018 <2018><EU><F6101R0> 125cc KTM 125 XC-W 2018 <2018><EU><F7103R3> 125cc KTM 150 SX 2018 <2018><EU><F6101R1> 150cc KTM 250 EXC TPI 2018 <2018><EU><F7303R7> 250cc KTM 250 EXC-F 2018 <2018><EU><F8103R9> 250cc KTM 250 SX 2018 <2018><EU><F6301R0> 250cc KTM 250 SX-F 2018 <2018><EU><F8101R5> 250cc KTM 300 EXC TPI 2018 <2018><EU><F7403R7> 300cc KTM 350 EXC-F 2018 <2018><EU><F8203R9> 350cc KTM 350 SX-F 2018 <2018><EU><F8201R5> 350cc KTM 450 EXC-F 2018 <2018><EU><F8403R9> 450cc KTM 450 SX-F 2018 <2018><EU><F8401R5> 450cc KTM 500 EXC-F 2018 <2018><EU><F8503R9> 500cc
2017 KTM 125 SX 2017 <2017><EU><F6101Q0> 125cc KTM 125 XC-W 2017 <2017><EU><F7103Q3> 125cc KTM 150 SX 2017 <2017><EU><F6101Q1> 150cc KTM 250 EXC 2017 <2017><EU><F7303Q6> 250cc KTM 250 EXC-F 2017 <2017><EU><F8103Q9> 250cc KTM 250 SX 2017 <2017><EU><F6301Q0> 250cc KTM 300 EXC 2017 <2017><EU><F7403Q6> 300cc KTM 350 EXC-F 2017 <2017><EU><F8203Q9> 350cc KTM 350 SX-F 2017 <2017><EU><F8201Q5> 350cc KTM 450 EXC-F 2017 <2017><EU><F8403Q9> 450cc KTM 450 SX-F 2017 <2017><EU><F8401Q5> 450cc KTM 500 EXC-F 2017 <2017><EU><F8503Q9> 500cc
2016 KTM 125 SX 2016 <2016><EU><F6101P0> 125cc KTM 150 SX 2016 <2016><EU><F6101P1> 150cc KTM 250 SX 2016 <2016><EU><F6301P0> 250cc KTM 250 SX-F 2016 <2016><EU><F8101P5> 250cc KTM 350 SX-F 2016 <2016><EU><F8201P5> 350cc KTM 450 SX-F 2016 <2016><EU><F8401P5> 450cc
2015 KTM 125 EXC 2015 <2015><EU><F7103O6> 125cc KTM 125 SX 2015 <2015><EU><F6101O0> 125cc KTM 150 SX 2015 <2015><EU><F6101O1> 150cc KTM 250 EXC 2015 <2015><EU><F7303O6> 250cc KTM 250 EXC-F 2015 <2015><EU><F8103O9> 250cc KTM 250 SX 2015 <2015><EU><F6301O0> 250cc KTM 250 SX-F 2015 <2015><EU><F8101O5> 250cc KTM 300 EXC 2015 <2015><EU><F7403O6> 300cc KTM 350 EXC-F 2015 <2015><EU><F8203O9> 350cc KTM 350 SX-F 2015 <2015><EU><F8201O5> 350cc KTM 450 EXC 2015 <2015><EU><F8403O9> 450cc KTM 450 SX-F 2015 <2015><EU><F8401O5> 450cc KTM 500 EXC 2015 <2015><EU><F8503O9> 500cc

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