Matching front hub to the Radio Bikes Sonar Freecoaster Hub. Designed to fit MTB thru-axle systems. Available in a standard 6-Bolt disc version (15mm x 100mm), and a non-disc (brakeless) 20 x 110mm option for slopestyle and street riders.Sonar Freecoaster HubSpecsMATERIAL • 6061-T6 Alloy hub shell & Inner axleSIZE • 110mm x 20mm (inc reducing 15mm cones), 100mm x 15mmBEARINGS • x2 sealed high-grade stainless bearingsSPOKES • 32hcolor • black & nebula purpleDIMENSIONS (DISC)• PCD 45mm/58mm, 58.5mm flange spacing, 35.3mm/23.2mm flange offsetDIMENSIONS (NON-DISC)• PCD 47mm, 68.5mm flange spacing, 34.25mm/23.2mm flange offsetFeaturesMTB-specific front hub for dirt, slopestyle, street trail and freerideOversize inner axle and bearings for unrivaled smoothness and performanceAvailable in a disc (15x110), and a non-disc (20x110 brakeless)versionBraklessNon-disc (20x110) version includes reducing comes to fit 15x110mm thru-axles6 bolt-disc mount on disc brake versionWeight 457g / 16.1oz (disc) 442g / 15.6oz (non-disc)