BEST MOUNTAIN/SPEED BIKE - SEAICH SPX: Sport Performance X7 - 27 Speed Bike • 27 SPEED MOUNTAIN BIKE/Sport Performance Bike: 92 years best choice, that's what Choose Us, Choose Seaich means. And, over the past couple years, our products are appearing online across major platforms as we gain more and more momentum. Don't let the pictures fool you, one way or the other, about our products or anyone else's - we've been in business for nearly a century because it's about you, it's about our products, it's about us. Choose Us, Choose Seaich. What's also special about SEAICH Bikes is the actual gear shifting, it's special because you can shift gears while at a stand still without worry of the chain unlinking. That's because we had the bike made with a specialized indexed derailleur together with a micro-shift trigger. The gears change incredibly smoothly and quickly, located on the ends of the horizontal shock dampening steel handle bar; at any speed or type of terrain & road. The best all around bike. Choose Us; Choose Seaich.