REAR SPROCKET STEEL 39 [JTR1857.39] 520
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Delivery to United States 5–8 business days
REAR SPROCKET STEEL 39 Teeth, silver finish, 520 chain size. Part Number: SR437-39.S.DR. JTR1857.39. Manufactured by Dirt Racing. Made with C45 steel high carbon steel, heat-treated and finished by hand. Sandblasted for a satin-silk finish. Meets or exceeds motorcycle industry standards. Cross reference AT-26539.
- SKU
- SR437-39.S.DR
- Brand
- Dirt Racing
- Availability
- Out of Stock
Fitments (57)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YFM RAPTOR 250 | 2008 |
| YAMAHA | YFM RAPTOR 250 | 2009 |
| YAMAHA | YFM RAPTOR 250 | 2010 |
| YAMAHA | YFM RAPTOR 250 | 2011 |
| YAMAHA | YFM RAPTOR 250 | 2012 |
| YAMAHA | YFM RAPTOR 250 | 2013 |
| YAMAHA | YFM RAPTOR 350 | 2004 |
| YAMAHA | YFM RAPTOR 350 | 2005 |
| YAMAHA | YFM RAPTOR 350 | 2006 |
| YAMAHA | YFM RAPTOR 350 | 2007 |
| YAMAHA | YFM RAPTOR 350 | 2008 |
| YAMAHA | YFM RAPTOR 350 | 2009 |
| YAMAHA | YFM RAPTOR 350 | 2010 |
| YAMAHA | YFM RAPTOR 350 | 2011 |
| YAMAHA | YFM RAPTOR 350 | 2012 |
| YAMAHA | YFM RAPTOR 350 | 2013 |
| YAMAHA | YFM RAPTOR R 700 | 2006 |
| YAMAHA | YFM RAPTOR R 700 | 2007 |
| YAMAHA | YFM RAPTOR R 700 | 2008 |
| YAMAHA | YFM RAPTOR R 700 | 2009 |
| YAMAHA | YFM RAPTOR R 700 | 2010 |
| YAMAHA | YFM RAPTOR R 700 | 2011 |
| YAMAHA | YFM RAPTOR R 700 | 2012 |
| YAMAHA | YFM RAPTOR R 700 | 2013 |
| YAMAHA | YFM RAPTOR R 700 | 2014 |
| YAMAHA | YFM RAPTOR R 700 | 2015 |
| YAMAHA | YFM RAPTOR R 700 | 2016 |
| YAMAHA | YFM RAPTOR R 700 | 2017 |
| YAMAHA | YFM RAPTOR R 700 | 2018 |
| YAMAHA | YFM RAPTOR R 700 | 2019 |
| YAMAHA | YFM RAPTOR R 700 | 2020 |
| YAMAHA | YFM WARRIOR 350 | 1987 |
| YAMAHA | YFM WARRIOR 350 | 1988 |
| YAMAHA | YFZ 450 | 2004 |
| YAMAHA | YFZ 450 | 2005 |
| YAMAHA | YFZ 450 | 2006 |
| YAMAHA | YFZ 450 | 2007 |
| YAMAHA | YFZ 450 | 2008 |
| YAMAHA | YFZ 450 | 2009 |
| YAMAHA | YFZ 450 | 2010 |
| YAMAHA | YFZ 450 | 2011 |
| YAMAHA | YFZ 450 | 2012 |
| YAMAHA | YFZ 450 | 2013 |
| YAMAHA | YFZ BANSHEE 350 | 1987 |
| YAMAHA | YFZ BANSHEE 350 | 1988 |
| YAMAHA | YFZ R 450 | 2009 |
| YAMAHA | YFZ R 450 | 2010 |
| YAMAHA | YFZ R 450 | 2011 |
| YAMAHA | YFZ R 450 | 2012 |
| YAMAHA | YFZ R 450 | 2013 |
| YAMAHA | YFZ R 450 | 2014 |
| YAMAHA | YFZ R 450 | 2015 |
| YAMAHA | YFZ R 450 | 2016 |
| YAMAHA | YFZ R 450 | 2017 |
| YAMAHA | YFZ R 450 | 2018 |
| YAMAHA | YFZ R 450 | 2019 |
| YAMAHA | YFZ R 450 | 2020 |
- General Product Group
- Chain & Sprockets
- General Product Type
- Sprockets & Components (Rear)
- Variant Id
- 278239
FULL DESCRIPTION
Dirt Racing 39 Tooth Rear Steel Sprocket for 520 Chain - Silver
This high-quality rear steel sprocket from Dirt Racing is designed for maximum strength and minimum weight. Manufactured from C45 steel high carbon steel, it ensures durability and reliable performance. Each sprocket undergoes a heat-treatment process and is finished by hand for superior quality. The sandblasted surface treatment reduces surface tension, providing a satin-silk finish.
This sprocket meets or exceeds the highest industry standards for motorcycle components.
- Material: C45 Steel High Carbon Steel
- Number of Teeth: 39
- Chain Size: 520
- Color: Silver
- Finish: Sandblasted for satin-silk finish
- Construction: Heat-treated and hand-finished
- Attributes: Maximum strength at minimum weight
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
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.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
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