Product Characteristics: Car audio speaker spacer ring aid in audio speaker installation, play an important part in reducing resonance and making the speakers stronger. Replace new car speaker spacers adapter, provide better sound quality,fixed speakers to reduce door resonance. The ring mounting bracket is good partner for mounting new speaker. You can install the speakers you want by adding extra depth. Material Specification:Speaker mounting bracket ring made of good ABS material, will not oxidize moisture-proof, durable, wear-resistant, long service life, smooth surface, not easy to fade, no scratches.Application: Material:ABS Fit for Speaker Dia:6.5" Depth:21mm/0.83" Inner Diameter:100mm/3.94" External Diameter:140mm/5.51" Model: the speaker ring fits most 6.5 inch speakers. for BMW Mini Clubman (R55) 2007-2014 Clubman (F54) from 2015 for BMW Mini Countryman, Paceman (R60/R61) 2010-2016 Countryman (F60) from 2017 for BMW Mini Hatch, Convertible (F55/F56/F57) from 2014 (R56/R57) 2006-2015 for BMW Mini Coupe, Roadster (R58/R59) 2011-2015 Easy To Install:Speaker mounting bracket ring installed on the car audio system, utilizing existing vehicle mounting points without cutting or drilling.Package Contains:2 Pcs Subwoofer Speaker SpacerSpecification:This product is a speaker mount recessed bezel spacer and without internal speaker ring.Attention: Please ensure this part is suitable for your vehicle before purchasing. Please allow 3-5mm differences due to manual measurement.