FSA Metropolis Crankarms for BOSCH Drive Unit CK-632/IS - silver

These FSA Metropolis cranksarm are suited for BOSCH E-Bike unit because they are equipped with an ISIS profile. They are weighing just 524 grams because the are made from forged 6061 / T6 aluminium. Finish: polished silver with printed graphics. Delivery without spider. Included in delivery: without bottom bracket and spider Material: crankarm: forged 6061/T6 aluminium Recommended Bottom Bracket: BB-9920 ISIS Weight supplement: per pair, manufacturer information