covering the mount holes

The product is suitable for older V-Twin motorcycles for which an SAE 50 engine oil is specified

and the waterproof rain covers keep everything dry when the weather turns

Stretch at calf

sw motech trax adv top case passenger backrest 2OM covering the mount holesSW Motech Trax ADV Top Case Passenger Backrest This backrest adds extra comfort for your passenger without changing how the top case works. The two piece setup supports both the lower back and upper area, so it feels more stable on longer rides. It mounts directly to the case, and you can still strap extra luggage on top without interference. Features: Two piece passenger backrest for the Trax ADV top case Lower backrest with large contact surface