Check the listing for details. Roller Chain Offset Half Link 50-2 50 Double Strand, LOT OF 2. Condition: New. Listed at 19.99 USD. The product is a lot of two roller chain offset half link 50-2 double strand components, designed specifically for ATV, side-by-side, and UTV applications. The manufacturer part number for these offset links is OL 50-2. These parts are essential for maintaining and repairing the roller chain system in off-road vehicles, ensuring smooth operation and durability. Ideal for hobbyists and mechanics looking to upgrade or replace worn-out components in their vehicles.