BSD introduces a new generation of freecoaster hubs, the BSD Revolution feels like a cassette hub, weighs the same as a cassette hub, has a pedal gap like a cassette hub and sounds like a cassette hub.  It’s been tested rigorously over the last two years and is ready to take it's place on your setup. Utilising the Planetary clutch system that functions in a unique and revolutionary way, the BSD Revolution hub eliminates many of the problems associated with the heavyweight traditional cone style clutch design. · 30% lighter than conventional freecoaster hubs. · No gap when pedalling forward. · Eradicates unwanted engagement on rollbacks. · Feels and sounds like a cassette hub. · No need for oversized hub bearings due to low axial load. · Supertough hollow male 14mm chromo axle. · BSD hubguards included. ###section### Product Specs WHEEL SIZE: 20" HUB: 14mm Sealed Freecoaster AXLE: 14mm DRIVE SIDE: Right Side Drive RIM: Alloy Rim SPOKES: Stainless Steel NIPPLES: Brass WEIGHT: TBC Colour: Black; Size: RHD