Hope Pro 2 Evo/Pro 4 15mm 110mm/Boost Converter Spacer The Hope Pro 2 Evo / Pro 4 15 mm 110 mm/Boost Converter Spacer is a spacer that lets you adapt your Hope Pro 2 Evo or Pro 4 fronthub for use in forks with Boost 110 mm spacing using a 15mm Boost thru-axle setup.
