Rear Sprocket JTR1478.40 520, Polaris, Steel Black, 50-32090-40 SR620-40

Description

Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and ATVs, they offer long life, exact fit, and dependable power transfer mile after mile.

Features

  • C49 high-carbon steel rears for long wear
  • Precision manufacturing for exact OEM fit
  • Broad coverage with 2,500+ motorcycle & ATV applications
  • Consistent power transfer and sprocket tooth profile accuracy
  • Engineered for durability in street, track, and off-road use

Specifications

  • Material: C49 high-carbon steel
  • Tooth count: 40
  • Drive chain pitch: 520
  • Colour: Black

Vehicle Fitment

Kawasaki (ATV, Rear)

  • KXT250 A1,A2 Tecate (1984-1985)

Kawasaki (Road, Rear)

  • GPZ400 27PS (1984-1997)
  • GPZ400 49PS (1984-1987)
  • ZX400 C2 (Z400F2) (1984-1987)
  • GPZ550 (ZX550A1-A6) Unitrack (1984-1992)
  • ZX-6R (ZX600 G1-G2,J1-J3) Ninja <<< 520 Chain Conversion (1998-2002)
  • ZX-6R (ZX636 A1P) Ninja <<< 520 Chain Conversion (2002)
  • ZX-6R (ZX636 B1,B2) Ninja (2003-2004)
  • ZX-6RR (ZX600 K1,M1) Ninja (2003-2004)
  • ZX-7RR (ZX750 N1-N2) Ninja <<< 520 Chain Conversion (1996-1999)
  • ZX-10R (ZX1000 C1-C2) Ninja <<< 520 Chain Conversion (2004-2005)
  • ZX-10R (ZX1000 D6F,D7F) Ninja <<< 520 Chain Conversion (2006-2007)
  • ZX-10R (ZX1000 E8F,E9F,FAF) Ninja <<< 520 Chain Conversion (2008-2010)
  • ZX-10R (ZX1000 JBF,JCF,JDF,JEF,JFF) Ninja <<< 520 Chain Conversion (2011-2015)
  • ZX-10R (ZX1000 KBF,KCF,KDF,KEF,KFF) Ninja ABS <<< 520 Chain Conversion (2011-2015)
  • ZX-10R (ZX1000 RGF,RGFA,RHF,RHFA,RJF,RJFA) Ninja <<< 520 Chain Conversion (2016-2018)
  • ZX-10R (ZX1000 SGF,SGFA,SHF,SHFA,SJF,SJFA) Ninja ABS <<< 520 Chain Conversion (2016-2018)
  • ZX-10R (ZX100 RHFA) Ninja KRT ABS <<< 520 Chain Conversion (2016-2018)
  • ZX-10R (ZX1002 EKF,EKFA,ELF) Ninja ABS <<< 520 Chain Conversion (2019-2020)
  • ZX-10R (ZX1002 EKFA,ELFA) Ninja KRT ABS <<< 520 Chain Conversion (2019-2020)
  • ZX-10R (ZX1002 FKF.FKFA) Ninja <<< 520 Chain Conversion (2019)
  • ZX-10R (ZX1002 LMFAL,LNFAL) Ninja KRT ABS <<< 520 Chain Conversion (2021-2022)
  • ZX-10R (ZX1002 LMFAN,LNFAN) Ninja <<< 520 Chain Conversion (2021-2022)
  • ZX-10R (ZX1002 LPFAL, LRFAL) Ninja KRT ABS <<< 520 Chain Conversion (2023-2024)
  • ZX-10R (ZX1002LPFAN ) Ninja <<< 520 Chain Conversion (2023-2024)
  • ZX-10R (ZX1002 LSFAL) Ninja KRT ABS <<< 520 Chain Conversion (2025)
  • ZX-10R (ZX1002 ) Ninja <<< 520 Chain Conversion (2025)
  • ZX-10R (ZX1002 ) Ninja ABS <<< 520 Chain Conversion (2025)
  • ZX-10RR (ZX1000 ZHF,ZJF) Ninja ABS <<< 520 Chain Conversion (2017-2018)
  • ZX-10RR (ZX1002 GKF) Ninja <<< 520 Chain Conversion (2019)
  • ZX-10RR (ZX1002NMFNL,NNSNN) Ninja <<< 520 Chain Conversion (2021-2022)
  • ZX-10RR (ZX1002NPFNN) Ninja <<< 520 Chain Conversion (2023)
  • ZX-10RR (ZX1002TRFNN) Ninja <<< 520 Chain Conversion (2024)
  • ZX-10RR (ZX1002TSFNN) Ninja <<< 520 Chain Conversion (2025)
  • ZX-10RR (ZX1002TSFNL) Ninja ABS <<< 520 Chain Conversion (2025)
  • ZX1000 GDF Ninja 1000 <<< 520 Chain Conversion (2013)
  • ZX1000 HDF,MEF,MFF,WHF,WJF,WKF Ninja 1000 ABS <<< 520 Chain Conversion (2013-2019)

Polaris (ATV, Rear)

  • 250 4 x 4 (1993)
  • 250 6 x 6 (1993)
  • 250 Big Boss 4 x 6 (1989-1992)
  • 250 Big Boss 6 x 6 W8727 (1991-1992)
  • 250 Cyclone (1987)
  • 250 Scrambler (1985-1986)
  • 250 Trail Blazer (2000; 2002-2003)
  • 250 Trail Blazer (built after 7/15/00) (2001)
  • 250 Trail Blazer (built before 7/15/00) (2001)
  • 250 Trail Blazer ES (1996-1999)
  • 250 Trail Blazer W7221 (1990-1995)
  • 250 Trail Boss 2 x 4 W7527 (1985-1993)
  • 250 Trail Boss 4 x 4 (1989-1992)
  • 250 Trail Boss 4 x 4 W8127 (1987-1988)
  • 250 Trail Boss W8527 (1985-1999)
  • 250 Xplorer 4x4 (2001-2002)
  • 300 2 x 4 W7530 (1995-1996)
  • 300 4 x 4 W8130 (1994-1995)
  • 300 6 x 6 (1994)
  • 300 Xplorer 4 X 4 (1996-1999)
  • 300 Xpress (1996-1999)
  • 325 Trail Boss 2 x 4 (2001-2002)
  • 325 Trail Boss 2 x 4 W7539 (2000)
  • 330 Trail Blazer 2 x 4 (2008-2010)
  • 330 Trail Boss 2 x 4 (2003-2010)
  • 350L 4 x 4 W8139 (1990-1993)
  • 350L 6 x 6 W8739 (1993)
  • 350L Trail Boss 2 x 4 W7539 (1990-1993)
  • 350L Trail Boss 4 x 4 W8139 (1990-1993)
  • 350L Trail Boss/Sportsman 4 x 4 W8139 (1993)
  • 400 Sportsman 4 x 4 W8040 (1994-1996)
  • 400 Scrambler (2000-2001)
  • 400 Scrambler 4 x 4 / 2 x 4 (2000-2002)
  • 400 Scrambler 4 x 4 W7840 (1995-1999)
  • 400 Trail Blazer 2 x 4 (2003)
  • 400 Xplorer 4 x 4 W9140 (1995-1999)
  • 400 Xpress 2 x 4 (1996)
  • 400L '6 x 6 W8740 (1994-1998)
  • 400L 2 x 4 W7540 (1994-1995)
  • 400L 2 x 4 W8140 (1994)
  • 400L 4 x 4 (1994)
  • 400L Sport (1996-1999)
  • 400L Sport W8540 (1994-1995)
  • 425 Magnum 2 x 4 W7544 (1995-1998)
  • 425 Magnum 4 x 4 W8144 (1995-1998)
  • 425 Magnum 6 x 6 (1996)
  • 500 Scrambler 4 x 4 (2000-2011)

Rear Sprocket JTR1478.40 520, Polaris, Steel Black, 50-32090-40 SR620-40

Product form

Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and... Read more

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    SKU: SR1478-40.S.JT
    Barcode: 824225300949

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and ATVs, they offer long life, exact fit, and dependable power transfer mile after mile.

    Features

    • C49 high-carbon steel rears for long wear
    • Precision manufacturing for exact OEM fit
    • Broad coverage with 2,500+ motorcycle & ATV applications
    • Consistent power transfer and sprocket tooth profile accuracy
    • Engineered for durability in street, track, and off-road use

    Specifications

    • Material: C49 high-carbon steel
    • Tooth count: 40
    • Drive chain pitch: 520
    • Colour: Black

    Vehicle Fitment

    Kawasaki (ATV, Rear)

    • KXT250 A1,A2 Tecate (1984-1985)

    Kawasaki (Road, Rear)

    • GPZ400 27PS (1984-1997)
    • GPZ400 49PS (1984-1987)
    • ZX400 C2 (Z400F2) (1984-1987)
    • GPZ550 (ZX550A1-A6) Unitrack (1984-1992)
    • ZX-6R (ZX600 G1-G2,J1-J3) Ninja <<< 520 Chain Conversion (1998-2002)
    • ZX-6R (ZX636 A1P) Ninja <<< 520 Chain Conversion (2002)
    • ZX-6R (ZX636 B1,B2) Ninja (2003-2004)
    • ZX-6RR (ZX600 K1,M1) Ninja (2003-2004)
    • ZX-7RR (ZX750 N1-N2) Ninja <<< 520 Chain Conversion (1996-1999)
    • ZX-10R (ZX1000 C1-C2) Ninja <<< 520 Chain Conversion (2004-2005)
    • ZX-10R (ZX1000 D6F,D7F) Ninja <<< 520 Chain Conversion (2006-2007)
    • ZX-10R (ZX1000 E8F,E9F,FAF) Ninja <<< 520 Chain Conversion (2008-2010)
    • ZX-10R (ZX1000 JBF,JCF,JDF,JEF,JFF) Ninja <<< 520 Chain Conversion (2011-2015)
    • ZX-10R (ZX1000 KBF,KCF,KDF,KEF,KFF) Ninja ABS <<< 520 Chain Conversion (2011-2015)
    • ZX-10R (ZX1000 RGF,RGFA,RHF,RHFA,RJF,RJFA) Ninja <<< 520 Chain Conversion (2016-2018)
    • ZX-10R (ZX1000 SGF,SGFA,SHF,SHFA,SJF,SJFA) Ninja ABS <<< 520 Chain Conversion (2016-2018)
    • ZX-10R (ZX100 RHFA) Ninja KRT ABS <<< 520 Chain Conversion (2016-2018)
    • ZX-10R (ZX1002 EKF,EKFA,ELF) Ninja ABS <<< 520 Chain Conversion (2019-2020)
    • ZX-10R (ZX1002 EKFA,ELFA) Ninja KRT ABS <<< 520 Chain Conversion (2019-2020)
    • ZX-10R (ZX1002 FKF.FKFA) Ninja <<< 520 Chain Conversion (2019)
    • ZX-10R (ZX1002 LMFAL,LNFAL) Ninja KRT ABS <<< 520 Chain Conversion (2021-2022)
    • ZX-10R (ZX1002 LMFAN,LNFAN) Ninja <<< 520 Chain Conversion (2021-2022)
    • ZX-10R (ZX1002 LPFAL, LRFAL) Ninja KRT ABS <<< 520 Chain Conversion (2023-2024)
    • ZX-10R (ZX1002LPFAN ) Ninja <<< 520 Chain Conversion (2023-2024)
    • ZX-10R (ZX1002 LSFAL) Ninja KRT ABS <<< 520 Chain Conversion (2025)
    • ZX-10R (ZX1002 ) Ninja <<< 520 Chain Conversion (2025)
    • ZX-10R (ZX1002 ) Ninja ABS <<< 520 Chain Conversion (2025)
    • ZX-10RR (ZX1000 ZHF,ZJF) Ninja ABS <<< 520 Chain Conversion (2017-2018)
    • ZX-10RR (ZX1002 GKF) Ninja <<< 520 Chain Conversion (2019)
    • ZX-10RR (ZX1002NMFNL,NNSNN) Ninja <<< 520 Chain Conversion (2021-2022)
    • ZX-10RR (ZX1002NPFNN) Ninja <<< 520 Chain Conversion (2023)
    • ZX-10RR (ZX1002TRFNN) Ninja <<< 520 Chain Conversion (2024)
    • ZX-10RR (ZX1002TSFNN) Ninja <<< 520 Chain Conversion (2025)
    • ZX-10RR (ZX1002TSFNL) Ninja ABS <<< 520 Chain Conversion (2025)
    • ZX1000 GDF Ninja 1000 <<< 520 Chain Conversion (2013)
    • ZX1000 HDF,MEF,MFF,WHF,WJF,WKF Ninja 1000 ABS <<< 520 Chain Conversion (2013-2019)

    Polaris (ATV, Rear)

    • 250 4 x 4 (1993)
    • 250 6 x 6 (1993)
    • 250 Big Boss 4 x 6 (1989-1992)
    • 250 Big Boss 6 x 6 W8727 (1991-1992)
    • 250 Cyclone (1987)
    • 250 Scrambler (1985-1986)
    • 250 Trail Blazer (2000; 2002-2003)
    • 250 Trail Blazer (built after 7/15/00) (2001)
    • 250 Trail Blazer (built before 7/15/00) (2001)
    • 250 Trail Blazer ES (1996-1999)
    • 250 Trail Blazer W7221 (1990-1995)
    • 250 Trail Boss 2 x 4 W7527 (1985-1993)
    • 250 Trail Boss 4 x 4 (1989-1992)
    • 250 Trail Boss 4 x 4 W8127 (1987-1988)
    • 250 Trail Boss W8527 (1985-1999)
    • 250 Xplorer 4x4 (2001-2002)
    • 300 2 x 4 W7530 (1995-1996)
    • 300 4 x 4 W8130 (1994-1995)
    • 300 6 x 6 (1994)
    • 300 Xplorer 4 X 4 (1996-1999)
    • 300 Xpress (1996-1999)
    • 325 Trail Boss 2 x 4 (2001-2002)
    • 325 Trail Boss 2 x 4 W7539 (2000)
    • 330 Trail Blazer 2 x 4 (2008-2010)
    • 330 Trail Boss 2 x 4 (2003-2010)
    • 350L 4 x 4 W8139 (1990-1993)
    • 350L 6 x 6 W8739 (1993)
    • 350L Trail Boss 2 x 4 W7539 (1990-1993)
    • 350L Trail Boss 4 x 4 W8139 (1990-1993)
    • 350L Trail Boss/Sportsman 4 x 4 W8139 (1993)
    • 400 Sportsman 4 x 4 W8040 (1994-1996)
    • 400 Scrambler (2000-2001)
    • 400 Scrambler 4 x 4 / 2 x 4 (2000-2002)
    • 400 Scrambler 4 x 4 W7840 (1995-1999)
    • 400 Trail Blazer 2 x 4 (2003)
    • 400 Xplorer 4 x 4 W9140 (1995-1999)
    • 400 Xpress 2 x 4 (1996)
    • 400L '6 x 6 W8740 (1994-1998)
    • 400L 2 x 4 W7540 (1994-1995)
    • 400L 2 x 4 W8140 (1994)
    • 400L 4 x 4 (1994)
    • 400L Sport (1996-1999)
    • 400L Sport W8540 (1994-1995)
    • 425 Magnum 2 x 4 W7544 (1995-1998)
    • 425 Magnum 4 x 4 W8144 (1995-1998)
    • 425 Magnum 6 x 6 (1996)
    • 500 Scrambler 4 x 4 (2000-2011)

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

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