Fits 2009 Gas Gas Halley 125 R Chain Roller,br>
Designed as direct replacement | Double lip outer mechanical seal | Precision ball bearings with rubber seals | 98 durometer polyurethane for durability

Designed as a direct replacement for the OEM design. Rollers feature a double lip outer mechanical seal to protect the bearings from dirt and water. Precision ball bearings with two rubber seals. 98 durometer polyurethane for durability.