Bike pedals used to put a metal screw cap to protect the bearings from contamination. Now, instead, use the plastic plugs, which are often lost. Rescue plastic or nylon tubes from medical bubbles. Such substitutes being kept quite steady.
Recommend to read
THE WING — PLATE
Sometimes the connection details homemade design does not need the usual hex nuts and the so-called wing (with ears). The advantage of the latter is that to tighten and Unscrew them by...
Crimean commuter trains
For several years now, Sevastopol inventor Dmitry Chulkov has been constructing electric vehicles. One of these is a universal modular chassis, equipped in the base configuration with a...
