Assertion: treadmill's speed | /r/HasProperty | up to 80 km/h
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Source sentences:
text: Oversized treadmills are also used for cycling at speeds up to 80 km/h, for wheelchair users and in special applications with thick running belt for cross-country skiing and biathlon, where athletes perform training and testing exercise with roller ski on a running deck of up to sizes of 450 x 300 cm.