
PBR Ultra-Light Hard Anodized Aluminum Sprocket 4743 - 520 (Manufacturer Part No: 4743 45 LD)
Precision machined from 7075 T6 aluminum, this PBR sprocket combines lightweight construction with strength for 520 pitch transmissions. The hard anodization enhances the surface and provides a durable, aesthetically pleasing stainless finish, while strategic cutouts have been made to reduce mass without compromising mechanical integrity.
Designed for discerning riders, this sprocket reduces rotational mass and contributes to a more responsive and direct transmission. The optimized cutouts limit unnecessary weight without diminishing rigidity, making it suitable for road bikes and roadsters seeking a lighter and refined chain/sprocket set.
Clear reference and meticulous machining: a smart choice for those looking to replace their sprocket with a high-end aluminum piece, combining finish and reliable mechanical performance on the road.