1.25" Lightweight Sprocket Hub ARC3600 for Kart Axles

This ARC3600 sprocket hub delivers a strong yet lightweight solution for your kart drivetrain. CNC machined from billet 6061-T6 aluminum, it provides higher strength than typical hubs while staying light enough for stock and plate racing.

The 1.25 inch bore pairs with a 5.25 inch bolt circle featuring six 1/4-28 threads. Compatible with both 35 pitch and 428 pitch chains, it suits SA, outlaw, and open racing styles.

Includes the pinch bolt for secure axle mounting. Sprocket mounting hardware is sold separately.

Frequently Asked Questions

What is the bore size on this sprocket hub?

It has a 1.25 inch (1-1/4") bore.

Does this hub include sprocket mounting bolts?

No, sprocket mounting hardware is not included.

Which chain types does it support?

The hub works with traditional 35 pitch chain or 428 pitch chain.

What racing classes is this hub suited for?

It performs well in stock, plate, SA, outlaw, and open style kart racing.