Skewers, quick releases, seatpost clamps at good prices from starbike.com
In order to fixate the seatpost and the wheels, a seatpost clamp and skewers are required. The levers of quick release skewers and clamps can be opened and closed without additional tools, which eases the height adjustment of the bike seat and the removal of the wheel in case of a defect.
Quick release skewers differ in their axle length. While mountainbikes have a 135 mm O.L.D., the road bike rear dropouts are only 130 mm away from each other.
Weight Weenies prefer skewers and clamps like the ones from tune. Their innovative constructions and material choice have led to extremely light but yet strong skewers.