Jt Sprockets Twinstar Hybrid Sprocket - 520
Jt Sprockets Twinstar Hybrid Sprocket - 520
Available in stock (9)
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Estimated delivery: Feb 07 - Feb 11
About this product
About this product
Maximize your motorcycle's power transfer and longevity with the JT Sprockets Twinstar Steel/Aluminum Hybrid Sprocket. This innovative sprocket combines the strength of steel with the lightness of aluminum, delivering superior performance on the road or track. Upgrade to a sprocket that's built to last and designed for peak power delivery.
Description
The JT Sprockets Twinstar hybrid sprocket utilizes a high-carbon steel outer ring, heat-induction hardened and tempered with JT's advanced process. This unique treatment achieves a hardness that extends the sprocket's life up to six times longer than a standard 7075-T6 aluminum sprocket, significantly enhancing power transfer. The lightweight aviation-grade Ergal 7075-T6 aluminum core minimizes rotational mass, improving acceleration and handling. Precision laser cutting and CNC machining ensure exacting tolerances and a design optimized for race-level performance. Experience the ideal balance of durability and weight reduction with the JT Sprockets Twinstar hybrid.
Features & highlights
- Unmatched Durability: Heat-induction hardened high-carbon steel outer ring provides exceptional wear resistance.
- Enhanced Power Transfer: Steel ring maximizes power delivery from the engine to the wheel.
- Lightweight Design: Aviation-grade Ergal 7075-T6 aluminum core reduces rotational inertia for quicker acceleration.
- Precision Engineering: State-of-the-art laser cutting and CNC equipment ensure perfect fitment.
- Race-Proven Performance: Designed for optimal performance in demanding racing conditions.
- Vibrant Finish: Eye-catching black and orange color combination adds style to your ride.
Technical specifications
- Brand: JT Sprockets
- Product Name: Sprocket
- MPN: 12102637
- Vendor Part Number: JTX897.51ORG
- Chain Size: 520
- Tooth Count: 51
- Mounting Position: Rear
- Material: 7075-T6 Aluminum, Carbon Steel
- Type: Drive
- Color/Finish: Black, Orange
- Units: Each
Important to know
No additional hardware is included. Please verify fitment for your specific motorcycle model before installation.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
JT SPROCKETS
JTX897.51ORG
Sprocket
Rear
7075-T6 Aluminum, Carbon Steel
520
Drive
Each


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

