steel spikes for excellent traction on tracks or cross-country
TECHNICAL INFORMATIONS
Number and size of spikes
Set of 12 hex spikes
Outdoors,
Cross-country: from 6 mm (dry ground) to 15 mm (soft ground)
Running on tracks: 6 mm or 9 mm
High jump and javelin throw: 12 mm tolerated on certain tracks
Outdoors,
All disciplines: 6 mm