strength .
It,s got
good elasticity so when it bends it tends to return to its
original shape. It's corrosÍon.resistant so you don,t
need to paint it. But it's expensive
- frfteen times the price of steel!
The professÍonals use carbon
fibre. It's very light and it's very
strong. You can shape it any way
vou like. But carbon-fibre
frames are hand-made
so they're very
expensive.