PBR C45 Steel Crown Re-tempered 4639 - 525 — a monobloc crown designed for demanding riders. Born from PBR's racing experience, this part brings robustness and meticulous finishing to your motorcycle's secondary transmission. Its black hue and precise machining integrate discreetly under the swingarm while resisting daily stresses.
- Treated C45 steel (re-tempered) for good mechanical performance
- 39 teeth — chain pitch 525
- Monobloc type: rigidity and ease of installation
- Surface optimized against corrosion and abrasion
- Manufactured through a strict process, a legacy of PBR teams
Manufacturer reference: 4639 39 C45T. Color: black. This crown is suitable for transmission sets using the 525 pitch and is aimed at riders looking for a durable and reliable part for roadsters and road-oriented machines. Before installation, check the number of teeth and the chain pitch recommended by your manufacturer to ensure compatibility and safety.
Replace your worn crown with this PBR part to restore a clean and uniform chain-crown connection. Designed with the terminology and requirements of racing workshops, it stands out as a technical option for maintaining your rear end without unverified promises.
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