PBR reinforced alu - 520 42 teeth SprocketRef : PBR01912A / 1122395004

Reinforced aluminium sprocket - 520 42 teeth by PBR

Machined from 7075 T6 aluminium, designed to reduce weight without sacrificing strength through strategic cutouts and surface anodisation. This choice of materials and finish provides enhanced durability and a useful weight reduction for sporty or demanding riding.

Design and materials

• Precision-machined 7075 T6 aluminium to combine lightness and strength, facilitating weight reduction at the transmission level.
• Surface anodisation to harden the material and improve wear resistance, while offering a refined finish.
• Cutouts made at strategic points to lighten the part without compromising its structural integrity.

Usage and performance

• Design providing weight and power gains, noticeable during acceleration and dynamic phases.
• Increased strength and longevity to withstand intensive use and reduce replacement frequency.
• Product presented as an asset for MX, SX, and enduro, suitable for high demands.

Advantages

• OEM reference 4743 42 LD
• Sport/Racing and Roadster universe, relevant for road and sporting practices

Examples of compatible motorcycles

• BMW S 1000 RR (2026 - 1000 cc)
• BMW M 1000 RR (2026 - 1000 cc)
• BMW S 1000 R (2025 - 1000 cc)

Complete list of compatible motorcycles available in the dedicated section below