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The ultra-light PBR aluminium crown 4644 - 415 is a part designed for motocross where every gram counts. Machined from high-quality aluminium, it offers a precise and consistent tooth profile with 44 teeth to accommodate a chain with a pitch of 415. Its "ultra-light" design aims to minimise unsprung mass without compromising integration on lightweight transmissions for small displacements.
Material: aluminium, for a good weight/resistance compromise.
Number of teeth: 44 teeth — profile suitable for 415 chains.
Type: crown reference 4644, machined finish for a clean installation.
Manufactured under PBR's quality control, a brand recognised in competition for its sprockets and crowns.
Designed for motocross and competition use on small displacements.
Compatible with the following models: HUSQVARNA TC 50 (2024 and 2025) and HUSQVARNA TC 50 MINI (2024). Before installation, check the pitch and alignment of your setup as well as compatibility with your rivets or fixing shafts. Manufacturer reference: 4644 44 L.
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