Triumph Bonneville Bobber Light Bulb Size Chart

The Triumph Bonneville Bobber uses 9003 light bulb sizes for its lighting applications. The replacement chart covers 2017 to 2018 model years across 2 lighting locations on the vehicle. Each location entry specifies the applicable model years and corresponding bulb size for proper replacement.

Select a light bulb location for Triumph Bonneville Bobber to view detailed replacement information.