It is also largely used in forming alloys with other metals, thus solder is made of 50 parts of lead and 50 parts of tin; type-metal is made of 80 parts of lead and 20 parts of antimony; and pewter is made of 25 parts of lead and 75 parts of tin.&nbsp. Continue to: 1  prev: Some Hints on Using the Tools.t is also largely used in forming alloys with other metals, thus solder is made of 50 parts of lead and 50 parts of tin; type-metal is made of 80 parts of lead and 20 parts of antimony; and pewter is made of 25 parts of lead and 75 parts of tin. &nbsp.
The frame of a sportive bike is designed to make for a more comfortable ride than a âracingâ road bike. This makes sense. Sportive rides can be over 100 miles in length, which can equate to 6-8 hours in the saddle.
It looks and sounds like a dream bike. The ProForm TDF Pro 5.0 bears the sunny Le Tour de France logo and is the official training bike for the race. It has a serious 48.5-pound (22 kg.) flywheel and lets you customize its gear ratios. Its resistance system creates a good approximation of road biking and includes shifters on the handlebars.