This upgrade option is for the Bakcou Mule and Bakcou Storm electric mountain bikes. This internally-geared rear hub eliminates the rear derailleur and cassette. It has 14 gears and you do not need to be pedaling when you shift. It is the latest technology for mountain bikes.
Free shipping to the lower 48. For shipments to Alaska, Hawaii and Canada, Shipping is $500 for orders under $6000 and $800 for orders $6000 and above.