JT Sprockets
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JT Sprockets 428 Steel Rear Sprocket, 51T (JTR797.51)

Part # JTR797.51
Item #JT79751
Fits 6 motorcycles
  • Kawasaki
    • KLX125 A1-A3,A6F · 2003–2006
    • KLX125 L B1-B3,B6F · 2003–2006
  • Suzuki
    • DR-Z125 K3-K9,L0-L8 · 2003–2018
    • DR-Z125 L9,M0-M6 · 2019–2026
    • DR-Z125 L K3-K9,L0-L9,M0 · 2003–2020
    • DR-Z125 L M1-M6 · 2021–2026
$36.99
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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
JT Sprockets Steel Rear Sprocket — JTR797.51 (51T)
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.

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