SACRAMENTO, Calif. -- After years of stagnant national sales, the gas crisis may be pumping some new life and changes into the bicycle industry.

According to the National Bicycle Dealers Association, the U.S. bicycle industry racked up $6 billion in sales in 2007, including bicycles, related parts and accessories. This year the association expects revenue to stay about the same, despite increased interest in bikes and accessories for commuting. Officials say that's because people are buying less expensive bikes in the slow economy.

Area bike shop owners say more people appear interested in riding, and sales have risen by as much as 20 percent from a year ago. Bike repairs have climbed even more dramatically, as high as 60 percent at some outlets.

"My favorite thing is when people come in and say, 'I need a bike because I just sold my car,' " says Jess Clifton, mechanic for the Bicycle Chef in Sacramento.

Rather than mountain bikes, more customers come in looking for commuter bikes in the $200 to $600 price range, which is lower than many high-priced road bikes.

"What's really surprising is the volume. We're selling more bikes, but at a slightly lower price point than we have in years past," says Bowen Doxsee, manager of City Bicycle Works in Sacramento.

Doxsee says his shop is selling 80 to 100 bikes a week, compared with 70 to 80 bikes at the same time last year. Two weeks ago, he said, the shop had its busiest non-sale weekend of this year with 56 bikes sold between Friday and Sunday.

That same weekend, Bicycle Chef Bicycles sold out of its Beach Cruisers, a single-speed bicycle with a coaster brake. Priced between $300 and $400, they're generally designed for riding around town and shorter commutes.

Also popular are hybrid bicycles, a cross between a mountain bike and a street bike, recommended for commutes between five and 10 miles.

Many are coming in to rehab their old bikes.

"[These are] bikes they thought they'd never fix up that have been sitting in the backyard shed for 20 years," Brooks says. Bikes from the 1970s and 1980s are not uncommon. Neither are bikes from big box stores like Wal-Mart or Target.

Older bikes often need a light or medium tune-up, typically costing between $75 and $180, depending on the shop and the bike's condition. The most common repairs are to replace tires that have rotted from disuse and cables that have rusted beyond repair.

While exact figures are not available, shops say profits are up. That's partly because as bike sales and repairs rise, so do accessory and parts sales.

Library clerk Sally Sweeny recently plunked down $199 at City Bicycle Works for a green Phat Breeze cruiser, which she plans to use for commuting to work. Because her old bike was stolen recently, she also bought "two massive macho locks" and a basket that can fit two bags of groceries.

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