Armchair Engineering (Russia Edition): DIY Canned-Polyurethane Engine Pistons Are Smokin'
17 Dec 2023, 14:57 UTC · By: Razvan Calin / YouTube vloggers from Novosibirsk fabricate a set of polymeric pistons for an internal combustion engine; what a surprise - it doesn’t run
Alpinestars’ Primer Riding Sneakers Blend Comfort and Safety Features
29 Mar 2021, 20:45 UTC · By: Silvian Secara / Generally speaking, riding footwear becomes impractical as soon as you step off the bike, but the newest addition to Alpinestars’ range addresses that issue