Crankbrothers pedal upgrade kit long spindlethis crankbrothers pedal upgrade kit enables you to adapt your favourite eggbeater candy mallet 5050 or double shot pedals to the wider 57mm q factor for increased stability when riding the most challenging trails it also comes with a full refresh kit which includes new bearings and seals so you can get your pedals performing like theyve just come out of the box features spindle material forged scandium 435 crmo q factor 57mm compatiblity e