Notes
TT 1375
Rossin 499 to 540 is 41 is 25
Specialised 3648 to 4000 is 352 is 220 but can't see how that is right since fitting the new gear shift done two rides 30 and 28 so call it 58
Orange 2328 same
Turbo 28k 17 miles
so total 25 plus 58 plus 17 is 100