150 cc are rare and expensive ; even 125 cc are not that easy to find, and is the most practical, the most type rented is 110 cc. Some renters on Rail Station Square.
If you start from Lao Cai, do
Day 1 : LC-Sapa
Day 2 and 3 : trekking Sapa
Day 4 :superb day Sapa-Lao Cai-MUONG KHUONG-Si ma Cai-Can Cau-Bac Ha. Prera²bly Friday for teh Can Cau saturday morning markets and/or Saturday for the Sunday BH Market
Day 5 : trekking around BH
Day 6 : BH-XIN MAN-Hoan Su Phi-Ha Giang (anothet superb day)
Day 7 : HG-Quang ba-Dong Van
Day 8 : around DV (Lung Cu and Sa Phin)
Day 9 : trekking around DV
Day 10 : DV-Ma Pi Leng-Meo Vac-HG via the southern road + direct night bus HG-Hanoi
