JT Sprockets
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JT Sprockets 428 Steel Front Sprocket, 13T (JTF548.13)

Part # JTF548.13
Item #JT54813
Fits 16 motorcycles
  • Yamaha
    • TT-R125 · 2000–2021
    • TT-R125 LW · 2000–2004
    • TT-R125 E · 2005–2010
    • TT-R125 LE · 2022–2023
    • TT-R125 LER1 · 2024
    • TT-R125 LES1 · 2025
    • TT-R125 LET1 · 2026
    • SR125 · 1982–1997
    • XT125 R · 2008–2011
    • XT125 X · 2008–2011
    • YB125 · 2022
    • YBR125 · 2007–2015
    • YBR125 Custom · 2008–2015
  • Motor Hispania
    • 125 MH7 LC · 2009–2010
    • 125 RX R · 2009–2010
    • 125 KN1 · 2010
$7.99
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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
JT Sprockets Steel Front Sprocket — JTF548.13 (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.

Fitment

Yamaha: TT-R125 2000–2021 · TT-R125 LW 2000–2004 · TT-R125 E 2005–2010 · TT-R125 LE 2022–2023 · TT-R125 LER1 2024 · TT-R125 LES1 2025 · TT-R125 LET1 2026 · SR125 1982–1997 · XT125 R 2008–2011 · XT125 X 2008–2011 · YB125 2022 · YBR125 2007–2015 · YBR125 Custom 2008–2015

Motor Hispania: 125 MH7 LC 2009–2010 · 125 RX R 2009–2010 · 125 KN1 2010

Specifications

Sprocket PositionFront
MaterialC45 high carbon steel and SCM415 chromoly steel alloy
Surface TreatmentHeat-treated and beadblasted
Best ForOff-road / Trail, Street

Verified from Garamoto’s catalog & fitment data.

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