Visit Steel Chain sights for chain loading charts and acceptable load records data. If you look hard enough there are chain programs available for download. One thing to hold in mind though is that chains tend to be rated very high in hours because these are designed to move for years not season.
Once you're inside though, you have a gold mine of shops. New product ideas become all around you. Talk to suppliers, get business card printing and contact information. Make some deals for selling products as well as have an infinite supply of products to sell on web sites.
The Deda Dog Fang is any small plastic accessory called a 'chain keeper' which attaches to your bicycle to stop your chain falling over the inside of your smallest Steel Chain ring. Many pro mechanics are now fitting them to team bikes.
Test the threshold lock. If you industry chains have an opener, disable the door lock keep away from damaging it or opener if the opener is operated as you move door is locked. When there is no opener, the lock should operate properly.
Power Consumption