The Best Japanese Motorbike Helmet In 2023. The Shoei Syncrotec Police Motor Officer motorbike helmet is being reviewed. It’s the same Syncrotec that you and I can get from any approved Shoei retailer. However, this helmet comes with an intriguing option: the M5 Switchblade Power System. The M5 Switchblade is priced at $69.00 (excluding the […]
