HONDA SEAT BOLT M8X16 

Honda M8x16 Seat Bolt. Forged from High Carbon steel, 10.9 grade Hardened. These bolts were engineered by Specbolt in conjunction with top mechanics and racers.
Fits: CRF450R 05-08 CRF450X 05-17 CRF250R 06-09 CRF250X 07-17 CRF150R 07-19 and all models using Honda part number 90102-MEN-710 (8MM).

Learn how to properly measure bolts here on our how to page.
https://specbolt.com/technical-faq/