Trip from Belgium to Capetown at the west side, then to Nairobi (Kenya) and from there back to Windhoek (Namibia) + 500 km from Frankfurt to my homeplace in Belgium. Total : approx 40000km. I drive a BMW G650 XChallenge.
I started with almost new Metzelers Enduro 3 Sahara at home. I took also a pair of Michelin Desserts with me. In Dogon Valley (Mali) I changed my Metzelers to the Michelins. I was lucky, I met an Italian and I could buy an other pair of Desserts from him.
With my first pair of Desserts I could drive until Yaoundé (Cameroon). With the second pair of Desserts I just could reached Windhoek (Namibia). There I could buy a new pair of Desserts (my third pair) and I drove with them until Capetown. Because from Capetown to Nairobi (Kenya) it was almost all tar, I bought a new pair of Metzelers Enduro 3 Sahara in Capetown and I toke the used Desserts as luggage. I could drive with them from Capetown to Nairobi and back until Livingstone (almost border Zambia with Namibia). With the Desserts I could drive to Windhoek, and after taking the plane to Frankfurt, I could drive the last 500km home from Frankfurt.
So I used 2 pair of Metzelers Enduro 3 Sahara and 3 pair of Michelin Dessert. For me a pair of Metzeler Enduro 3 Sahara are good for about 10000km and a pair of Michelin Dessert are ok for about 6500km.
I have to say: I don't drive slow.

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R 1200 GS '08 en G 650 X Challenge '08