Plus, it's possible to install knobby tires should you want to ride most of the time on dirt roads. 29er bikes have a knobby, mountain-style tire but in a 29-inch size. Hybrid and city bikes usually (but not always) use the Road bike's 700c tire standard. These are lighter to roll more easily on pavement for easy acceleration and climbing. There are 700c tires in different widths and treads for riding on all surfaces.
A beef roast cooked to medium-rare should have an internal temperature of 145Â°F - 150ÂºF after the resting period, and a roast cooked to medium should have an internal temperature of 150Â°F to 160ÂºF. (See the note below). See Beef Doneness for more information on proper cooking temperatures.
Roasting times for beef Preheat your oven to 160Â°C (325Â°F) and use these cooking times to prepare a roast that's moist, tender and delicious. Your roast should be covered wiâ¦th foil for the first half of the roasting time to prevent drying the outer layer. 3 to 5lb Joint 1Â½ to 2 hours 5 to 7 lb Joint 2 to 2Â½ hours 7 to 10lb Joint 2Â½ to 3 hours The beef can be taken out sooner if you prefer rare (bloody) meat. Tips for a better roast.