Aluminium motorcycle sprocket RAL-478:42The aluminium crown Supersprox RAL-478:42, the choice of champions. Lighter, more efficient, adopted by the biggest motorcycle brands.
SUPERSPROX produces the best and lightest aluminium sprockets in the world. They are actually fitted as standard on KTM, Husqvarna, Honda (HM)...
Choosing a colour does not change the price. The high-end finish and quality apply to all our products.
SUPERSPROX has developed unique products over the past 45 years.
In 2004, SUPERSPROX introduced a special tooth design that improves chain contact and significantly increases the lifespan of the sprocket and the gear.
Aluminium 7075-T6 for maximum strength.
Laser cutting for a precise and optimal fit.
Anodised finish.
Race-specific design.
Grooves between the teeth that shift dirt away from the chain and reduce its load. In fact, all that dirt is abrasive and prematurely wears out your sprockets and chain.
SUPERSPROX is one of the world's leading producers of high-performance sprockets and crowns. Supplier to most European motorcycle manufacturers and factory racing teams.
With extensive expertise in the motorcycle field, SUPERSPROX has been producing top-quality racing sprockets since 1959.
| Brand | Supersprox |
| Supplier reference | AH403X42 |
| Color | black |
| Color | Black |
| Motorcycle brand | Kawasaki |