KTM 450 SX-F 2019 - 2025 Pro-X Crank Main Bearing Kit

Pro-X Crank Main Bearing Kits

ProX crankshaft bearings are manufactured at leading OEM factories, mainly in Japan. All bearings are made to exact OEM specifications, to ensure maximum quality and performance.

ProX uses respected brands like Koyo, NTN, NOK and ARS to ensure quality. These brands are used by OEM brands like Yamaha, Kawasaki, Honda, Suzuki and KTM. ProX bearings offer high durability.

ProX Crankshaft Bearing Kits offer you reliability and carefree driving. The sets contain all parts you need for rebuilding your crankshaft and can be used in combination with all other ProX or OEM crankshaft related products.


• Made from the toughest materials available.
• Compatible with all OEM parts.
• Sold in complete kits for each application.

Fitment Details

• KTM 450 SX-F 2019
• KTM 450 SX-F 2020
• KTM 450 SX-F 2021
• KTM 450 SX-F 2022
• KTM 450 SX-F 2023
• KTM 450 SX-F 2024