Polisport chain guides are perfect replicas of the OEM stock parts, produced in TPU (Thermoplastic polyurethane) to guarantee better resistance to abrasion and impacts. Our chain guides are produced to be durable and to perfectly fit your dirt bike. Available for Yamaha YZ125/250, YZ125X, YZ250X, YZ250F, YZ450F, YZ250FX, YZ450FX, WR250F, WR450Fin black, white and blue colors.

Why Polisport chain Guide plastic parts are the best choice for your Dirt Bike?
Injection-molded, quality plastic components with a perfect OEM fit.
Exact replica of stock OEM plastic components but stronger
Inexpensive alternative to OEM replacement parts.
Stock color match
Resistant to impact and abrasion
Produced in TPU (Thermoplastic polyurethane)
Tougher than stock chain guides
Packaged in a printed plastic bag