PBR Twin Color Aluminium Ultra-Light Self-Cleaning Hard Anodized 4649 - 520 SprocketRef : PBR01024A / 1096607003

PBR Twin Color Crown Ultra-Light Hard Anodized Mud Resistant Aluminum 4649 - 520 (Manufacturer Ref: 4649 51 TC6)

Designed for motocross and enduro, this PBR crown combines lightness and robustness. Precisely machined from 7075 T6 aluminum, it features a hard anodized finish that protects the surface while enhancing aesthetics. The "Twin Color" design and orange hue give a racing look that matches modern machines.

• Material: 7075 T6 aluminum, ultra-light and durable
• Number of teeth: 51 (chain pitch 520)
• Mud-resistant profile: teeth and geometry designed to facilitate mud evacuation and minimize friction
• Strategic cutouts to lighten the part without compromising rigidity
• Finish: hard anodization for better abrasion resistance

On the track, the PBR crown reduces unsprung inertia and helps preserve the chain in muddy conditions. It is suitable for 520 transmissions and fits particularly well with the motocross machines listed below. Standard mounting: replaces a 51-tooth 520 crown.

Common compatibilities: BETA RR 480 4T (2024), BETA RR 430 4T (2024), BETA RR 390 4T (2024). Please check compatibility with your model before installation.