TANDEM SETS l Time to Interact Chainwheel & Crank Sets TDM-4FR67059A1 (LASCO)

Chainring : (Front Right)Crank with right thread
                (Rear Right)52T/42T/30T or 50T/39T/30T
                (Front Left)39T
                (Rear Left)39T
Ring Material / Finish : Alloy or Steel combination
Crank Length : 175, 170mm
Crank Material / Finish : 6061-T6 Forged_ Polish ANOD
BCD : 130 / 74mm
Chainline : 45mm
Suggested Spindle : Square - 119mm