TheSKS Raceday Mini Pump. The third generation of the best selling mini pump. The Raceday is a high pressure pump developed especially for road cycling. The pump head fits Presta valves and is protected from dirt and water. SKS Raceday Mini Pump Features The third generation of the best selling mini pump. The Raceday is a high pressure pump developed especially for road cycling. The pump head fits Presta / Schrader valves and is protected from dirt and water. More info