The top three most efficient modes of human-powered transportation are (in no particular order): Flintstone cars, bicycles, and a palanquin carried by the various monarchs you've conquered and overthrown. Make sure the most feasible of these is in perfect working order with this Groupon.
$26 for a Standard Bike Tune-Up ($55 Value)
Standard bike tune-ups keep cycles of all sorts in top shape, and include rear and front derailleur adjustments, wheel truing, rear and front brake adjustments, chain stretch check, inflating tires, and more. See the exhaustive list of tune-up services.
Marty's Ski and Board Shop
Though the business still bears his mother's name, today it's Marty's son, Chip, who preaches the good news of outdoor and extreme sports at Marty's Ski and Board Shop. Like every lynx born on the side of a mountain, Chip has a natural love of skiiing and snowboarding, and he pours his three decades of outdoor experience into his work. Under his guidance, the crew at Marty's equips athletes with technology and gear from brands including Arbor, Rossignol, Dynastar, and Armata to blaze frozen trails and otherwise explore the great outdoors. In addition to its slew of retail skis and boards, winter-sports clothing, and biking apparel, the staff sharpens skis and tunes-up bicycles to keep shredders shredding and cyclists from becoming accidental unicyclists.