Home » Cranksets » Tandem Cranksets » dta TANDEM CRANKSETS DTA 5-Arm Cranks: Forged AL6061 Length: 165mm, 170mm, 172.5mm, 175mm BCD: 130/74mm Chainrings: 52Tx 39Tx 30T/42T MTA(4-Arm) for MTB MTC(4-Arm) for Fat Bike