JT Sprockets
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JT Sprockets 420 Steel Front Sprocket, 13T (JTF249.13)

Part # JTF249.13
Item #JT24913
Fits 43 motorcycles
  • Kawasaki
    • KLX110 CAF,CBF,CCF,CDF,CEF,CFF,CGF,CHF,CJF,CKF,CLF · 2010–2020
    • KLX110 R CMF · 2021
    • KLX110 R CNF,CNS · 2022
    • KLX110 R CPF,CPS · 2023
    • KLX110 R CRF,CRS · 2024
    • KLX110 R CFS · 2025
    • KLX110 R CTF · 2026
    • KLX110 L DAF,DBF,DCF,DDF,DEF,DFF,DGF,DHF,DJF,DKF,DLF · 2010–2020
    • KLX110 R L DMF · 2021
    • KLX110 R L DNF, DPF · 2022–2023
    • KLX110 R L DRF,DRS · 2024
    • KLX110 R L · 2025
    • AE50 · 1982–1983
    • AE50
    • AR50 A1,C2-C10 · 1981–1998
    • AR50 A1 · 1982–1983
    • KLX110 A1 · 2002
    • KLX110 A2,A3,A4,A6F,A7F,A8F,A9F · 2003–2009
    • AR80 C1-C5 · 1982–1987
    • KD80 N1-N3 · 1988–1990
    • AE80 A1-B1 · 1981–1989
    • AR80 C6-C8 · 1988–1992
    • AE/AR 80
    • AR80 · 1981–1982
    • MAX100
    • AE80 · 1981–1982
  • Honda
    • ST50 J,K Dax · 1988–1989
    • ST50 J,K,L Dax · 1987–1990
    • ANF125 Innova · 2003–2012
    • C125 / C125A-K,L Super Cub · 2018–2021
    • C125 Super Cub · 2022–2024
    • ST50 L Dax · 1990
    • NSR75 N (NS1)
    • MSX125 (Grom 125) · 2013–2020
    • MSX125 (Grom 125) · 2021–2026
    • MSX125 (Grom 125) SP · 2024
    • ST125 Dax · 2022–2026
    • Z125 M/MA-K,L,M Monkey · 2019–2021
    • Z125 M/MA-N Monkey · 2022
  • Kymco
    • 110 Visa-R <<< 420 Chain Conversion
    • 125 Jetix <<< 420 Chain Conversion
  • Suzuki
    • DR-Z110 K3,K4 · 2003–2004
    • DR-Z110 K5 · 2005
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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
JT Sprockets Steel Front Sprocket — JTF249.13 (13T)
Product Details

A direct-fit C49 high-carbon steel front sprocket from the world's largest sprocket maker — the standard for stock replacement on modern street, sport, and adventure bikes.

  • Self-cleaning SCM420 chromoly steel and C49 carbon steel construction, induction-hardened on the tooth profile for a hard wear surface over a tough core.
  • CNC-machined to OEM tooth profile so your existing chain runs without re-meshing issues.
  • Available with rubber-cushion damping inserts on select fitments — same noise/vibration spec as the OE part.
  • JT Sprockets is the world's largest sprocket manufacturer; produced in JT's UK and Thailand facilities to ISO-grade QC.
  • Sized for OEM gearing across most road, sport, and adventure platforms.

Intended use: street, sport, sport-touring, adventure.

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