Odyssey calibur cranksthe odyssey calibur cranks feature a traditional 3 piece design constructed from heat treated 4130 crmo suited to even the most extreme riding situations these cranks are ideal for literally every style of bmx riding right and left hand side compatiblethese cranks are right and left hand side compatible meaning should you prefer to grind with your pegs on the right or the left you can have your drivetrain aligned to compliment your bike setup they feature sprocket boss