Lighter and more versatile than an mtb a dimension series ridgeback combines the principles of a metro hybrid with a specification and features designed for smaller riders available is sizes ranging from a 12inch wheel all the way to 26inch dimension combines a triple butted alloy frame with lightweight and robust components ideal for regular use utilising shimano cassette hubs stainless spokes and alloy rims the dimension has an all alloy parts mix to ensure that its weight remains low