SRAM XX Ebike Crank Arm Set - 170mm ISIS Black MFPN=21076 3x thicker than standard SmarTUBES

3x thicker than standard SmarTUBES

Brandon Semenuks signature pedal Contact features a compact platform body that extends inboard allowing for the feet to be closer to the cranks for trick control

Penetrates deep into chain links while repelling contaminants

Model Smart Sam Size 24" Width 2

As light as carbon cranks and as durable as heavy aluminum cranks the Electric Wings are for E-bike riders looking for both weights savings and durability

SRAM XX Ebike Crank Arm Set - 170mm ISIS Black MFPN=21076 3x thicker than standard SmarTUBESSRAM XX Ebike Crank Arm Set 170mm ISIS Black. The XX Eagle E MTB Crank takes from its race winning lineage and is optimized for E MTB use. Carbon fiber engineered with a foam core to give both incredible strength and maximized stiffness under the high torque environment of E MTB. Paired with the new XX Eagle Transmission (T Type) direct mount chainring performance and design aesthetic blend together to provide our most premium performance driven crank