The Shimano Saint M828 Flat MTB Pedals are an eight-sided concave platform pedal offering excellent grip and support. Shimano Saint M828 Flat MTB Pedals Features Twelve stainless steel pins per side (optional 3mm or 5mm) deliver the aggressive downhill or enduro rider the ideal balance of connection to the bike and pedalling stability Excellent support under foot due to the large low profile platform making feet well connected to the pedals in all terrain Pins, screwed in from the back for easy maintenance low-maintenance sealed cartridge bearing chromoly axles