Sena Slim Speaker (20S / 20S Evo / 30K) Certification_FIM Certified Interior Diameter (Center Housing): 30

Interior Diameter (Center Housing): 30 mm

1200cc models from '91-'01 and all Buell models '97-'01

Radiator Guard Black Suzuki GSX-R1000/R 17- R&G

25x25mm 10mm Hex Head Flange Bolt | Replenish with BLT2420825

Hardware Type: Flange nut

Sena Slim Speaker (20S / 20S Evo / 30K) Certification_FIM Certified Interior Diameter (Center Housing): 30Slim Speakers (20S, 20S EVO, 30K) These slim speakers are compatible with Sena's 20S, 20S EVO and 30K communication systems. They measure just 32mm in diameter with a 7mm thickness and have an output of 20mW, so you can be assured they still provide excellent sound while remaining slim for additional comfort.