Sensa Umbria Tiagra Special - Grijs
Picking the right frame size
- Stand up straight without shoes on.
- Place the inside of your feet approx. 20 cm apart; pull a tube (diameter Â± 3.5 cm) against the bone
- Position yourself in the middle of the tube
- Measure the distance between the top of the tube to the floor, both front and back. Add these two numbers and then divide them by two.