Let us build your new Murf E-bike for you When you buy your Murf online or in person at one of our retail locations you can add Pro Assembly to your order and one of our expert service team members will have your bike built and ready for pick in a just a few days or less. Or if you prefer, check out the How To Build videos below and decide if you'd like to do it yourself. Either way, Murf is here to help you get up and riding as quickly as possible.