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JT Sprockets 420 Steel Rear Sprocket, 56T (JTR215.56)

Part # JTR215.56
Item #JT21556
Fits 14 motorcycles
  • Honda
    • CR80 RF · 1985
    • CR80 RG · 1986
    • CR80 RH,RJ,RK,RL,RM · 1987–1991
    • CR80 RN,RP,RR,RS · 1992–1995
    • CR80 RT,RV,RW,RX,RY,R-1,R-2 · 1996–2002
    • CR85 R-5,6,7 · 2005–2007
    • CR85 R-3,4 · 2003–2004
    • CRF150 R-7,8,9,A,B,C,D,E,F,G,H,J,K,L,M,N,P,R,S · 2007–2025
    • CRF150 R- · 2026
    • CR80 R2-T,V,W,X,Y,1,2 Expert · 1996–2002
    • CR85 RB-5,6,7 Expert · 2005–2007
    • CR85 RB-3,4 Expert · 2003–2004
    • CRF150 RB-7,8,9,A,B,C,D,E,F,G,H,J,K,L,M,N,P,R,S · 2007–2025
    • CRF150 RB- · 2026
$36.99
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WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
JT Sprockets Steel Rear Sprocket — JTR215.56 (56T)
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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