Renthal Ultralight Rear Sprocket 428-47t
Renthal Ultralight Rear Sprocket 428-47t
Available in stock (12)
-
Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Maximize your motorcycle's performance with the Renthal Ultralight Rear Sprocket. This sprocket is engineered for riders who demand the best in power transfer and weight reduction, providing a noticeable improvement in acceleration and handling.
Description
The Renthal Ultralight Rear Sprocket is CNC-machined from high-strength, specially enhanced 7075-T6 aluminum, making it 33% lighter than steel. This significant weight reduction minimizes unsprung weight, resulting in quicker acceleration and improved suspension response. The advanced, computer-aided design ensures optimal power transfer to the wheel. The special tooth profile allows the 428 chain to engage and disengage smoothly, reducing wear, noise, and maximizing power delivery. Upgrade to Renthal and experience the difference in performance and durability. This rear drive sprocket is finished in black.
Features & highlights
- CNC-machined for precision and durability, outperforming stamped sprockets.
- Constructed from 7075-T6 aluminum, offering a 33% weight reduction compared to steel for enhanced performance.
- Ultra-light design reduces unsprung weight, improving acceleration and handling.
- Special tooth profile ensures smooth chain engagement, minimizing wear and noise.
- Maximizes power transfer for optimal performance on the track or trail.
Technical specifications
- Brand: Renthal
- Material: 7075-T6 Aluminum
- Mounting Position: Rear
- Chain Size: 428
- Tooth Count: 47
- Type: Drive
- Color/Finish: Black
Important to know
Ensure proper chain size and tooth count compatibility with your motorcycle model before installation. Professional installation is recommended.
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
RENTHAL
121U-428-47GPBK
Sprocket
Rear
7075-T6 Aluminum
428
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.

