New Zealand riders must contend with a challenging track at this week's world BMX championships in South Africa.
Sarah Walker will defend her dual world titles in both elite and cruiser classes at Pietermaritzberg, where a massive double track has been built at the local showgrounds.
Beijing Olympic track-builder Tom
Cycling: Challenging track awaits at BMX champs
Sarah Walker will defend her dual world titles in both elite and cruiser classes at the world BMX championships. Photo / Rotorua Daily Post
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