REAR SPROCKET JTR257.38 JT 420
4.1 Trustpilot 99.9% positive on eBay
UK delivery £4.99, free over £60 2–4 business days
Spread the cost with 
18+, T&Cs apply
JT Steel Rear Sprocket JTR257.38. Crafted from premium C49 high-carbon steel for long wear and durability. Features precision manufacturing for an exact fit, consistent power transfer, and accurate sprocket tooth profile. Engineered for durability in street, track, and off-road use. Specifications include C49 high-carbon steel material, 38 tooth count, and 420 drive chain pitch. Color is black.
- SKU
- SR257-38.S.JT
- Brand
- JT
- Availability
- In Stock (2)
- General Product Group
- Chain & Sprockets
- General Product Type
- Sprockets & Components (Rear)
- Variant Id
- 278070
FULL DESCRIPTION
JT Rear Sprocket JTR257.38
Experience OEM-level precision and exceptional durability with the JT Rear Sprocket JTR257.38. Crafted from premium C49 high-carbon steel, this sprocket is engineered for longevity and reliable performance across a vast range of motorcycle and ATV applications. Enjoy consistent power transfer and a precise fit, mile after mile.
Key Features:
- Constructed with C49 high-carbon steel for superior wear resistance.
- Precision manufacturing ensures an exact fit, matching OEM specifications.
- Designed for durable performance on the street, track, and off-road.
- Offers consistent power delivery and accurate sprocket tooth profile.
- Backed by over 2,500 fitments for motorcycles and ATVs.
Specifications:
- Material: C49 high-carbon steel
- Tooth Count: 38
- Chain Pitch: 420
- Color: Black
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year 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.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.