TotGuard Electric Bike Folding Stems Mechanical If the model number on

If the model number on the product label is a 9-digit product number starting with "AMA~"

please confirm the product label information on the upper and lower tubes or batteries of the electric bike

Before purchasing

If the model information is a 9-digit product number starting with "AMAK~"

please do not buy the wrong one

TotGuard Electric Bike Folding Stems Mechanical If the model number onPurchase Notes Before purchasing, please confirm the product label information on the upper and lower tubes or batteries of the electric bike. If the model number on the product label is a 9 digit product number starting with "AMA~", please choose AMA Vehicle Series. If the model information is a 9 digit product number starting with "AMAK~", please choose AMAK Vehicle Series. The two frame series electric bike parts are not compatible, please do not