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How They’re Different. The most notable difference is the design, or geometry of the frame of each bike. Triathlon bikes have a steeper angle of the seat. Seats on a road bike are positioned at, on average, 78 degrees while the angle on a triathlon bike is closer to 72 degrees.
How do you put air in a Presta valve?
How Do You Inflate a Presta Valve without an Adapter?
- Remove the valve cap. Find the place on the valve cap where it gets smaller. …
- Unscrew the valve on the tire.
- Place the modified cap upside down on the tire and screw it down a few twists.
- Attach the pump and inflate.
What kind of pump do you need for a Presta valve?
To inflate a Presta valve you’ll need a regular air pump and a special adapter. These can be purchased for about a dollar at your local bike shop.