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JT Sprockets 520 Steel Rear Sprocket, 45T (JTR855.45)

Part # JTR855.45
Item #987923
Fits 9 motorcycles
  • Yamaha
    • DT250 · 1977-1982
    • MT-03 · 2006-2012
    • Super Tenere 750 · 1990-1998
    • Tenere 660 · 2008-2015
    • XJ6 Diversion · 1992-2003
    • XJ600S · 1992-2003
    • XJ600S Seca II · 1992-1998
    • XT660 · 2004-2015
    • XTZ750 · 1990-1998
$36.99
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WARNING: Cancer and Reproductive Harm, www.P65Warnings.ca.gov
JT Sprockets Steel Rear Sprocket — JTR855.45 (45T)
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

Yamaha: XT660 R 2004–2015 · XT660 X Super Motard 2004–2015 · XTZ660 Z Tenere 2008–2015 · XTZ660 Z Tenere ABS 2011–2015 · XJ6 Diversion 1992–2003 · XJ600 N 1995–2003 · XTZ750 Super Tenere 1990–1998 · DT250 MX 1980–1982 · DT250 1977–1982 · MT-03 2006–2012 · XJ600S Seca II 1992–1998

Specifications

Sprocket PositionRear
MaterialC49 high carbon steel
Surface TreatmentHeat-treated and beadblasted
Best ForOff-road / Trail, Street

Verified from Garamoto’s catalog & fitment data.

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