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JT Sprockets 420 Steel Rear Sprocket (JTR801)

Part # JTR801.37
Item #987914
Fits 36 motorcycles
  • Kawasaki
    • 115 Kaze-R · 2013-2015
    • 125 Joy-R · 2008-2010
    • AE50
    • AE80 · 1981-1989
    • AR50 · 1981-1998
    • AR80
    • KLX 110 · 2002-2026
    • KLX 110L · 2010-2025
    • MAX100
    • Z125 Pro · 2017-2024
    • ZX130 · 2008-2010
  • Suzuki
    • A50
    • AC50
    • AP50
    • APX50
    • DR-Z110 · 2003-2005
    • DR50
    • ER21
    • FM50 · 1980-1998
    • FR50 · 1975-1986
    • FR70 · 1975-1987
    • FR80
    • GSX-R50 · 1988
    • GT50
    • OR50 · 1979-1980
    • PV50
    • RM50 · 1978-1982
    • RM60 · 1979-1983
    • RV50
    • TM75 · 1974-1976
    • TS50 · 1979-1984
    • TS75 · 1975-1977
    • TSX50 · 1984-2000
    • ZR50
    • ZR50 GT
    • ZRS50
$13.99
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WARNING: Cancer and Reproductive Harm, www.P65Warnings.ca.gov
JT Sprockets 420 Steel Rear Sprocket (JTR801)
JT Sprockets 420 Steel Rear Sprocket (JTR801)
JT Sprockets 420 Steel Rear Sprocket (JTR801)
JT Sprockets 420 Steel Rear Sprocket (JTR801)
Product Details

A C49 high-carbon steel rear sprocket — JT's bread-and-butter replacement that swaps in like the OEM part for hundreds of street and sport fitments.

  • C49 high-carbon steel, induction-hardened on the tooth crowns for wear life that outlasts cheap stamped aluminum on the street.
  • CNC-machined to OEM bolt pattern and profile so it lines up to your hub without modification.
  • Same fitment universe as JT's zinc-black (ZBK) and self-cleaning (SC) variants on this base.
  • Built by JT Sprockets — the world's largest sprocket manufacturer, with sprocket production for major OE bike brands.
  • Sized to OEM gearing with shorter/taller tooth-count options available on select fitments.

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

Fitment

Fits 67 motorcycles across Suzuki, Kawasaki — including Kawasaki Z125 Pro 2017–2024; Suzuki PV50; Suzuki PV50 1981–2000; Suzuki FM50 A Landy 1980–1998; Suzuki GT50; Suzuki GT50 1977–1980; Suzuki RV50; Suzuki RV50. Verify fit for your exact bike with the fitment checker at garamoto.com.

Specifications

Sprocket PositionRear
MaterialC45 high carbon steel
Surface TreatmentHeat-treated and beadblasted
Best ForOff-road / Trail, Street

Verified from Garamoto’s catalog & fitment data.

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