For the line...
Only 3.8/4.0 mm line on MXT
You can give money to Mr Pryde who bye it to Mr Marlow
Or directly to Mr Marlow
But curiously, many French riders don't have 3.8 ( 12 spindles ), but 4.3 mm ( 16 spindles ) lines....
The same thing on grouped spécial commandes by 500/1500 m