2Bros Parts

REAR SPROCKET STEEL 51 [JTR215.51] 420 MX-21551

$12.86
1

REAR SPROCKET STEEL 51 [JTR215.51] 420 MX-21551. Made from C45 high-carbon steel, heat treated and sandblasted. Finished in powder-coated black or bright zinc plated (BZP). Meets or exceeds motorcycle industry compound quality standards. Direct OEM replacement. Tooth Count: 51, Chain Size: 420, Inner Diameter (I.D.): 110 mm, Pitch Circle Diameter (PCD): 130 mm, Mounting: 4 counter-sunk holes 8.5 mm. Finish: Silver. Part No.: SR209-51.S.DR. Cross-Reference OEM Part Numbers: JTR209.51, MX-21551, L17-0151, MX-215451, SR209-51.S.DR. Weight: 726g.

Specifications
SKU
SR209-51.S.DR
Brand
Dirt Racing
Availability
In Stock (21)

Fitments (69)

MakeModelYear
HONDACR 801985
HONDACR 801986
HONDACR 801987
HONDACR 801988
HONDACR 801989
HONDACR 801990
HONDACR 801991
HONDACR 801992
HONDACR 801993
HONDACR 801994
HONDACR 801995
HONDACR 801996
HONDACR 801997
HONDACR 801998
HONDACR 801999
HONDACR 802000
HONDACR 802001
HONDACR 802002
HONDACR 802003
HONDACR 802004
HONDACR 852003
HONDACR 852004
HONDACR 852005
HONDACR 852006
HONDACR 852007
HONDACR BW 801986
HONDACR BW 801987
HONDACR BW 801988
HONDACR BW 801989
HONDACR BW 801990
HONDACR BW 801991
HONDACR BW 801992
HONDACR BW 801993
HONDACR BW 801994
HONDACR BW 801995
HONDACR BW 801996
HONDACR BW 801997
HONDACR BW 801998
HONDACR BW 801999
HONDACR BW 802000
HONDACR BW 802001
HONDACR BW 802002
HONDACR BW 802003
HONDACR BW 802004
HONDACR BW 852006
HONDACR BW 852007
HONDACRF 150R2007
HONDACRF 150R2008
HONDACRF 150R2009
HONDACRF 150R2010
HONDACRF 150R2011
HONDACRF 150R2012
HONDACRF 150R2013
HONDACRF 150R2014
HONDACRF 150R2015
HONDACRF 150R2016
HONDACRF 150R2017
HONDACRF 150R2018
HONDACRF 150R2019
HONDACRM 501988
HONDACRM 501989
HONDACRM 501990
HONDACRM 501991
HONDACRM 501992
HONDACRM 801988
HONDACRM 801989
HONDACRM 801990
HONDACRM 801991
HONDACRM 801992
General Product Group
Chain & Sprockets
General Product Type
Sprockets & Components (Rear)
Variant Id
277680
Shipping OptionsShown at checkout
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Dirt Racing Rear Sprocket 51 Tooth 420 Chain

Enhance your motorcycle's drivetrain with this durable rear sprocket from Dirt Racing. Engineered for performance and longevity, this sprocket is a direct replacement for your original part, ensuring a seamless fit and reliable operation.

Key Features:

  • Constructed from high-quality C45 high-carbon steel for superior strength.
  • Heat treated and sandblasted to reduce surface tension and improve durability.
  • Finished with a powder-coated black or bright zinc plating (BZP) for corrosion resistance.
  • Meets or exceeds industry quality standards for motorcycle components.
  • Designed as a direct Original Equipment Manufacturer (OEM) replacement.

Specifications:

  • Tooth Count: 51
  • Chain Size Compatibility: 420
  • Inner Diameter (I.D.): 110 mm
  • Pitch Circle Diameter (PCD): 130 mm
  • Mounting Type: 4 counter-sunk holes
  • Hole Diameter: 8.5 mm
  • Finish: Silver
  • Part Number:

Cross-Reference Part Numbers:

  • JTR209.51
  • MX-21551
  • L17-0151
  • MX-215451
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