With the evolution from aluminum-shaft rollerskis to composite laminates (think a combination of wood, sometimes a honeycomb matrix and layers of fiberglass/carbon fiber) manufacturers have built rollerskis with “flex”. A skate rollerski’s flex pattern is part of the design process to better mimic that ubiquitous “on-snow feel” nearly all rollerki manufacturers claim and few master. For the purposes of this review, “on-snow feel” for rollerskis will be defined as the following: smooth, relative vibration-free...
