There is new brake pads (part number 1835) this have minimum 50% more bide than 1834, and you don't need to heat them up they have 100 grip from the beginning, and that is very good in a wet races.
The brake pads is 11 mm. thick so there is space for spacer and you can get this in 1 or 2 mm. thickness.
1 mm. have part number 1838
2 mm. have part number 1839