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JT Sprockets 520 Steel Front Sprocket (JTF284)

Part # JTF284.13
Item #JT28415
Fits 45 motorcycles
  • Honda
    • CR250R · 1988–1993
    • CR250R · 1997–2001
    • CR250R · 2006–2008
    • CR250 RR · 1994
    • CR250 RS · 1995
    • CR250 RT · 1996
    • CR250 R-2 · 2002
    • CR250 R-3 · 2003
    • CR250 R-4 · 2004
    • CR250 R-5 · 2005
    • CRF250R · 2022–2025
    • CRF250 R- · 2026
    • CRF250 RWE-S · 2025
    • CRF250 RWE- · 2026
    • CRF250RX · 2022–2025
    • CRF250 RX- · 2026
    • CR250 · 1997
    • CRF450R · 2002–2018
    • CRF450 R-K · 2019–2020
    • CRF450 R-L · 2020
    • CRF450 R-M · 2021
    • CRF450 R-N · 2022
    • CRF450 R-P · 2023
    • CRF450 R-R · 2024
    • CRF450 R-S · 2025
    • CRF450 R- · 2026
    • CRF450 R-Rs · 2024
    • CRF450RWE · 2019–2021
    • CRF450 RWE-N · 2022
    • CRF450 RWE-P · 2023
    • CRF450 RWE-R · 2024
    • CRF450 RWE-S · 2025
    • CRF450 RWE- · 2026
    • CRF450RX · 2017–2021
    • CRF450 RX-L · 2019–2020
    • CRF450 RX-M · 2021
    • CRF450 RX-N · 2022
    • CRF450 RX-P · 2023
    • CRF450 RX-R · 2024
    • CRF450 RX-S · 2025
    • CRF450 RX- · 2026
    • CRF450X · 2005–2018
    • CRM250
    • CRM250 · 1991
    • CR500 · 1988–2001
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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
JT Sprockets 520 Steel Front Sprocket (JTF284)
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

Fits 45 motorcycles across Honda — including Honda CR250R 1988–1993; Honda CR250R 1997–2001; Honda CR250R 2006–2008; Honda CR250 RR 1994; Honda CR250 RS 1995; Honda CR250 RT 1996; Honda CR250 R-2 2002; Honda CR250 R-3 2003. Verify fit for your exact bike with the fitment checker at garamoto.com.

Specifications

Sprocket PositionFront
MaterialC49 high carbon steel and SCM420 chromoly steel alloy
Surface TreatmentHeat-treated and beadblasted
Best ForOff-road / Trail, Street

Verified from Garamoto’s catalog & fitment data.

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