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 Beddit Smart sleep tracker app turns beds into smart beds Laser Communication – That’s a Better Idea ! Gloves that Translate Sign Language into Text and Speech Lumo Projects an Interactive, Motion-sensitive Game Experience onto Walls and Floors Stair Climbing Wheelchair Electric Mobile Bed – WTF ?