2Bros Parts

REAR SPROCKET STEEL JTR251.51SC, LIGHTWEIGHT SELF-CLEANING

£21.28

4.1 Trustpilot 99.9% positive on eBay

UK delivery £4.99, free over £60 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

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The next standard in MX durability and efficiency: a unique self-cleaning profile keeps the contact patch clear while trimming weight. Heat-induction hardened C45 steel lasts up to six times longer than 7075 aluminium, protecting your chain and your lap times. Features: Unique self-cleaning design keeps contact area clear. Significantly reduced weight versus conventional steel rears. Heat-induction hardened C45 steel construction. Lasts up to 6x longer than a 7075-aluminium sprocket. Greatly extends chain life by minimizing abrasive buildup. Optimized tooth geometry for smooth, efficient drive. Specifications: Material: Heat-induction hardened C45 steel. Tooth count: 51. Drive chain pitch: 520. Colour: Black.

Specifications
SKU
SR245-51.JT.S.SC
Brand
JT
Availability
In Stock (11)

Fitments (221)

MakeModelYear
HONDAXL 2501982
HONDAXL 2501983
HONDAXL 2501984
HONDAXL 2501985
HONDAXL 2501986
HONDAXL 2501987
HONDAXL 5001979
HONDAXL 5001980
HONDAXL 5001981
HONDAXL 5001982
HONDAXL 5001983
HONDAXL 5001984
HONDAXL 6001984
HONDAXL 6001985
HONDAXL 6001986
HONDAXL 6001987
HONDAXL 6001988
HONDAXL 6001989
HONDAXL 6001990
HONDAXL 6001991
HONDAXL 6001992
HONDAXL 6001993
HONDAXL 6001994
HONDAXR 2501979
HONDAXR 2501980
HONDAXR 2501981
HONDAXR 2501982
HONDAXR 2501983
HONDAXR 600R1983
HONDAXR 600R1984
HONDAXR 600R1985
HONDAXR 600R1986
HONDAXR 600R1987
HONDAXR 600R1988
HONDAXR 600R1989
HONDAXR 600R1990
YAMAHAWR 2502000
YAMAHAWR 2502001
YAMAHAWR 2502002
YAMAHAWR 2502003
YAMAHAWR 2502004
YAMAHAWR 2502005
YAMAHAWR 2502006
YAMAHAWR 250F2001
YAMAHAWR 250F2002
YAMAHAWR 250F2003
YAMAHAWR 250F2004
YAMAHAWR 250F2005
YAMAHAWR 250F2006
YAMAHAWR 250F2007
YAMAHAWR 250F2008
YAMAHAWR 250F2009
YAMAHAWR 250F2010
YAMAHAWR 250F2011
YAMAHAWR 250F2012
YAMAHAWR 250F2013
YAMAHAWR 250F2014
YAMAHAWR 250F2015
YAMAHAWR 250F2016
YAMAHAWR 250F2017
YAMAHAWR 250F2018
YAMAHAWR 250F2019
YAMAHAWR 400F1999
YAMAHAWR 400F2000
YAMAHAWR 400F2001
YAMAHAWR 400F2002
YAMAHAWR 426F1999
YAMAHAWR 426F2000
YAMAHAWR 426F2001
YAMAHAWR 426F2002
YAMAHAWR 450F2003
YAMAHAWR 450F2004
YAMAHAWR 450F2005
YAMAHAWR 450F2006
YAMAHAWR 450F2007
YAMAHAWR 450F2008
YAMAHAWR 450F2009
YAMAHAWR 450F2010
YAMAHAWR 450F2011
YAMAHAWR 450F2012
YAMAHAWR 450F2013
YAMAHAWR 450F2014
YAMAHAWR 450F2015
YAMAHAWR 450F2016
YAMAHAWR 450F2017
YAMAHAWR 450F2018
YAMAHAWR 450F2019
YAMAHAYZ 1251999
YAMAHAYZ 1252000
YAMAHAYZ 1252001
YAMAHAYZ 1252002
YAMAHAYZ 1252003
YAMAHAYZ 1252004
YAMAHAYZ 1252005
YAMAHAYZ 1252006
YAMAHAYZ 1252007
YAMAHAYZ 1252008
YAMAHAYZ 1252009
YAMAHAYZ 1252010
YAMAHAYZ 1252011
YAMAHAYZ 1252012
YAMAHAYZ 1252013
YAMAHAYZ 1252014
YAMAHAYZ 1252015
YAMAHAYZ 1252016
YAMAHAYZ 1252017
YAMAHAYZ 1252018
YAMAHAYZ 1252019
YAMAHAYZ 1252020
YAMAHAYZ 2501977
YAMAHAYZ 2501978
YAMAHAYZ 2501979
YAMAHAYZ 2501980
YAMAHAYZ 2501981
YAMAHAYZ 2501982
YAMAHAYZ 2501983
YAMAHAYZ 2501984
YAMAHAYZ 2501985
YAMAHAYZ 2501986
YAMAHAYZ 2501987
YAMAHAYZ 2501988
YAMAHAYZ 2501989
YAMAHAYZ 2501990
YAMAHAYZ 2501991
YAMAHAYZ 2501992
YAMAHAYZ 2501993
YAMAHAYZ 2501994
YAMAHAYZ 2501995
YAMAHAYZ 2501996
YAMAHAYZ 2501997
YAMAHAYZ 2501998
YAMAHAYZ 2501999
YAMAHAYZ 2502000
YAMAHAYZ 2502001
YAMAHAYZ 2502002
YAMAHAYZ 2502003
YAMAHAYZ 2502004
YAMAHAYZ 2502005
YAMAHAYZ 2502006
YAMAHAYZ 2502007
YAMAHAYZ 2502008
YAMAHAYZ 2502009
YAMAHAYZ 2502010
YAMAHAYZ 2502011
YAMAHAYZ 2502012
YAMAHAYZ 2502013
YAMAHAYZ 2502014
YAMAHAYZ 2502015
YAMAHAYZ 2502016
YAMAHAYZ 2502017
YAMAHAYZ 2502018
YAMAHAYZ 2502019
YAMAHAYZ 250F2001
YAMAHAYZ 250F2002
YAMAHAYZ 250F2003
YAMAHAYZ 250F2004
YAMAHAYZ 250F2005
YAMAHAYZ 250F2006
YAMAHAYZ 250F2007
YAMAHAYZ 250F2008
YAMAHAYZ 250F2009
YAMAHAYZ 250F2010
YAMAHAYZ 250F2011
YAMAHAYZ 250F2012
YAMAHAYZ 250F2013
YAMAHAYZ 250F2014
YAMAHAYZ 250F2015
YAMAHAYZ 250F2016
YAMAHAYZ 250F2017
YAMAHAYZ 250F2018
YAMAHAYZ 250F2019
YAMAHAYZ 4001977
YAMAHAYZ 4001978
YAMAHAYZ 4001979
YAMAHAYZ 4001980
YAMAHAYZ 4001981
YAMAHAYZ 4001982
YAMAHAYZ 4001983
YAMAHAYZ 4001984
YAMAHAYZ 4001985
YAMAHAYZ 4001986
YAMAHAYZ 4001987
YAMAHAYZ 4001988
YAMAHAYZ 4001989
YAMAHAYZ 4001990
YAMAHAYZ 4001991
YAMAHAYZ 4001992
YAMAHAYZ 4001993
YAMAHAYZ 4001994
YAMAHAYZ 4001995
YAMAHAYZ 4001996
YAMAHAYZ 4001997
YAMAHAYZ 4001998
YAMAHAYZ 4001999
YAMAHAYZ 4002000
YAMAHAYZ 4002001
YAMAHAYZ 4002002
YAMAHAYZ 400F1999
YAMAHAYZ 4262000
YAMAHAYZ 4262001
YAMAHAYZ 4262002
YAMAHAYZ 426F2000
YAMAHAYZ 426F2001
YAMAHAYZ 426F2002
YAMAHAYZ 450F2003
YAMAHAYZ 450F2004
YAMAHAYZ 450F2005
YAMAHAYZ 450F2006
YAMAHAYZ 450F2007
YAMAHAYZ 450F2008
YAMAHAYZ 450F2009
YAMAHAYZ 450F2010
YAMAHAYZ 450F2011
YAMAHAYZ 450F2012
YAMAHAYZ 450F2013
YAMAHAYZ 450F2014
YAMAHAYZ 450F2015
YAMAHAYZ 450F2016
YAMAHAYZ 450F2017
YAMAHAYZ 450F2018
YAMAHAYZ 450F2019
General Product Group
Chain & Sprockets
General Product Type
Sprockets & Components (Rear)
Variant Id
291121
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

JT Rear Steel Sprocket - Lightweight Self-Cleaning

Experience the next standard in off-road motorcycle durability and efficiency with the JT Lightweight Self-Cleaning Rear Sprocket. This sprocket is engineered with a unique self-cleaning profile designed to keep the contact patch clear, enhancing performance and longevity.

Crafted from heat-induction hardened C45 steel, this sprocket offers exceptional durability. It is designed to last up to six times longer than traditional 7075 aluminum sprockets, significantly protecting your chain and helping to maintain optimal lap times.

The optimized tooth geometry ensures a smooth and efficient drive, while the design greatly extends chain life by minimizing abrasive buildup.

Key Features:

  • Unique self-cleaning design keeps the contact area clear.
  • Significantly reduced weight compared to conventional steel rear sprockets.
  • Constructed from heat-induction hardened C45 steel for superior durability.
  • Lasts up to 6 times longer than a 7075 aluminum sprocket.
  • Helps extend chain life by minimizing abrasive buildup.
  • Optimized tooth geometry for smooth, efficient power delivery.

Specifications:

  • Material: Heat-induction hardened C45 steel
  • Tooth Count: 51
  • Drive Chain Pitch: 520
  • Color: Black
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

Call us0330 133 3748
Email us[email protected]

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

More answers in our FAQ.

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