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.

Fantic    

XEF 250    2021-2023

XXF 250    2022-2023

Gas-Gas    

EC 250 F    2010-2015

EC 300 F    2013-2015

Yamaha    

WR 250F    2001-2025

YZ 250F    2001-2025

YZ 250FX    2015-2025

PROX 23.CBS24001