Imagine a freecoaster hub that feels like a cassette hub, weighs the same as a cassette hub, has a pedal gap like a cassette hub & sounds like a cassette hub. Sounds like a dream huh? Well now it's a reality. Introducing the new BSD Revolution Hub. It's been tested rigorously over the last two years & BSD are excited to offer it to you now. Utilizing the Planetary clutch system that functions in a unique & revolutionary way, the BSD Revolution hub eliminates many of the problems associated with the heavyweight traditional cone style clutch design. The Revolution is 30% lighter than conventional freecoaster hubs & no gap when pedalling forward. Eradicates unwanted engagement on rollbacks & feels & sounds like a cassette hub. No need for oversized hub bearings due to low axial load an has a supertough hollow male 14mm chromo axle. BSD hubguards included. section Product Specs HUB TYPE:Â Freecoaster AXLE:Â 14mm DRIVER:Â 9T DRIVE SIDE:Â Right Side Drive SPOKE HOLES:Â 36h WEIGHT:Â 468g (1.03lbs)