Helix Racing Products Off-Road Chain Roller Large, Part #177-54

Helix Racing Products light weight Off-Road Chain Rollers (large) are designed with no bearings and run on a nylon sleeve to be maintenance free. Most Dirt Bikes and ATVs have two per machine. This is a perfect way to save a lot of weight and much more inexpensive than competitors Titanium nuts and bolts offering. Bolt Overall Length: 57mm. Roller Outer Diameter: 37.5mm. Lightweight Polyurethane. No Bearings. Runs On Nylon Sleeve. Maintenance Free. Made in America.