Gas-Gas MC50 2021 - 2023 Pro-X Crank Main Bearings & Seals Kit

Pro-X Crank Main Bearing & Seal Kits

ProX crankshaft bearings and seals are manufactured at leading OEM factories, mainly in Japan. All bearings and seals 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 and the seals make sure to keep the oil in and dirt out of the engine.

ProX Crankshaft Bearing & Seal 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

• Gas-Gas MC 50 2021
• Gas-Gas MC 50 2022
• Gas-Gas MC 50 2023