Description
Full Speed Ahead CK 220 Bosch Gen 4 Ebike Crank Arm Set 155mm ISIS Black ModelNumber=E3398 Direct Mount Type Direct Mount Direct Mount Type Direct Mount Bosch Gen 4 Tooth Count 38 Drivetrain Speeds 11 Drivetrain Speeds 12 Defined Color Black Material Steel Ring Position Type Chain Retaining Single Ring Round or Oval Round Chainline Hub Compatibility 135 142 MTB Hubs 5" A1 A3 30 Silver 27