REAR SPROCKET STEEL HARD ZBK, C45 INDUCTIONJTR1489.43ZBK
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
The JT JTR1489.43ZBK rear sprocket features a unique self-cleaning design that keeps the contact area clear and has a C45 steel construction. It is heat-induction hardened for increased durability. This sprocket lasts up to six times longer than a 7075-aluminium sprocket and greatly extends chain life by minimizing abrasive buildup. The tooth geometry is optimized for smooth, efficient drive. Specifications include a 43-tooth count, 525 drive chain pitch, and a black colour.
- SKU
- SR1489-43.S.ZBK
- Brand
- JT
- Availability
- In Stock (1)
- General Product Group
- Chain & Sprockets
- General Product Type
- Sprockets & Components (Rear)
- Variant Id
- 277481
FULL DESCRIPTION
REAR SPROCKET STEEL HARD ZBK
Experience the next standard in durability and efficiency with this rear sprocket. Engineered for performance, its unique self-cleaning profile effectively clears the contact patch while reducing overall weight. Constructed from C45 steel with heat induction hardening, this sprocket is designed to last up to six times longer than traditional 7075 aluminum sprockets, helping to protect your chain and optimize your lap times.
Key Features
- Unique self-cleaning design maintains a clear contact area.
- Significantly lighter weight compared to conventional steel rear sprockets.
- Built with heat-induction hardened C45 steel for superior strength and longevity.
- Offers up to 6 times greater lifespan than 7075 aluminum sprockets.
- Enhances chain life by minimizing abrasive buildup.
- Features optimized tooth geometry for smooth and efficient power transfer.
Specifications
- Material: Heat-induction hardened C45 steel
- Tooth Count: 43
- Drive Chain Pitch: 525
- Color: Black
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year 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
Buying parts for your business? Apply for a 2BrosParts trade account.