Louis Garneau Route Bicycle Helmet. Whether your cycling terrain of choice is asphalt or dirt, the Louis Garneau Route Bicycle Helmet provides everything you need to ride in style and comfort. The Route Bicycle Helmet features the stellar Spiderlock Solo II retention system for a secure, precision fit that can be tightened with just one hand while riding. A plethora of vents and evacuation channels keep cool air flowing over your head while the V Pro visor is easily removed and attached to provide vision protection as necessary. Louis Garneau's pro grade technology keeps the weight down while also managing to keep the price down as well.