ARCC's Spare Battery Holder for everyday use, day or weekend rides on your converted electric bike.
 
Compatible with 4Ah and 6Ah Bosch batteries. 
 
Extra parts are required to fit the spare battery holder onto Rosemont's and Brompton's which is an additional £35. 

The holder can be installed with your bike order from ARCC, or you can choose to have the item delivered to you separately for easy self-installation onto your bike.
 
Manufactured from CNC machined and anodised aluminium and SLS-printed parts.
Please note that the maximum load capacity for this type of carrier is 2kg.