The anti-theft bike light that's "more secure than most relationships", a sub-6kg Specialized Tarmac SL8 build, lush Leadville bikes, watt-saving chainrings + more of the week's top tech news
A dazzling light that acts as your bike's own security guard? A sub-6kg Specialized Tarmac SL8 build? Aldi telling us to measure our cassettes with digital calipers? It's all in our weekly tech round-up
Source: road.cc