Chainless bicycle design I have seen these before but this one is really well made. Facebook Prev Article Next Article Inventions Checkout these cool gadgets... Related Posts Scientists Create World’s Lightest Material Super Sand Removes Carcinogens From Water in This Filter Touch Glove Teaching You How To Play Piano Really Complicated Gears – Paradoxal Gears Magnetic coils could purge microplastics from the ocean Paint-Pod – Dripless Painting